77245233810 has 16 divisors (see below), whose sum is σ = 185388561216. Its totient is φ = 20598729008.

The previous prime is 77245233803. The next prime is 77245233817. The reversal of 77245233810 is 1833254277.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77245233803) and next prime (77245233817).

It is a super-2 number, since 2×77245233810² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77245233817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287420534 + ... + 1287420593.

It is an arithmetic number, because the mean of its divisors is an integer number (11586785076).

Almost surely, 2^77245233810 is an apocalyptic number.

77245233810 is an abundant number, since it is smaller than the sum of its proper divisors (108143327406).

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

77245233810 is a wasteful number, since it uses less digits than its factorization.

77245233810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574841137.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 77245233810 in words is "seventy-seven billion, two hundred forty-five million, two hundred thirty-three thousand, eight hundred ten".