77462203308 has 144 divisors (see below), whose sum is σ = 215338652928. Its totient is φ = 21603120000.

The previous prime is 77462203303. The next prime is 77462203319. The reversal of 77462203308 is 80330226477.

It is a super-2 number, since 2×77462203308² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 77462203308.

It is not an unprimeable number, because it can be changed into a prime (77462203303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4207363 + ... + 4225733.

It is an arithmetic number, because the mean of its divisors is an integer number (1495407312).

Almost surely, 2^77462203308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77462203308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107669326464).

77462203308 is an abundant number, since it is smaller than the sum of its proper divisors (137876449620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77462203308 is a wasteful number, since it uses less digits than its factorization.

77462203308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18564 (or 18555 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 77462203308 in words is "seventy-seven billion, four hundred sixty-two million, two hundred three thousand, three hundred eight".