77065000908032 has 72 divisors (see below), whose sum is σ = 156200642035200. Its totient is φ = 37941079468032.

The previous prime is 77065000908019. The next prime is 77065000908059. The reversal of 77065000908032 is 23080900056077.

It is a super-2 number, since 2×77065000908032² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230694 + ... + 12613722.

It is an arithmetic number, because the mean of its divisors is an integer number (2169453361600).

Almost surely, 2^{77065000908032} 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 77065000908032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78100321017600).

77065000908032 is an abundant number, since it is smaller than the sum of its proper divisors (79135641127168).

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

77065000908032 is a wasteful number, since it uses less digits than its factorization.

77065000908032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383491 (or 10383477 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 77065000908032 in words is "seventy-seven trillion, sixty-five billion, nine hundred eight thousand, thirty-two".