76645693692 has 120 divisors (see below), whose sum is σ = 210734358912. Its totient is φ = 24257750400.

The previous prime is 76645693669. The next prime is 76645693693. The reversal of 76645693692 is 29639654667.

It is a happy number.

76645693692 is a `hidden beast` number, since 7 + 6 + 6 + 4 + 569 + 3 + 69 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76645693693) 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 39 ways as a sum of consecutive naturals, for example, 460342 + ... + 604322.

Almost surely, 2^76645693692 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 76645693692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105367179456).

76645693692 is an abundant number, since it is smaller than the sum of its proper divisors (134088665220).

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

76645693692 is a wasteful number, since it uses less digits than its factorization.

76645693692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144081 (or 144070 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 76645693692 in words is "seventy-six billion, six hundred forty-five million, six hundred ninety-three thousand, six hundred ninety-two".