77007412230 has 128 divisors (see below), whose sum is σ = 215336448000. Its totient is φ = 17261697024.

The previous prime is 77007412219. The next prime is 77007412249. The reversal of 77007412230 is 3221470077.

It is a super-2 number, since 2×77007412230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77007412191 and 77007412200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2456334 + ... + 2487486.

It is an arithmetic number, because the mean of its divisors is an integer number (1682316000).

Almost surely, 2^77007412230 is an apocalyptic number.

77007412230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 77007412230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107668224000).

77007412230 is an abundant number, since it is smaller than the sum of its proper divisors (138329035770).

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

77007412230 is a wasteful number, since it uses less digits than its factorization.

77007412230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31398.

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 77007412230 in words is "seventy-seven billion, seven million, four hundred twelve thousand, two hundred thirty".