76623694784 has 112 divisors (see below), whose sum is σ = 190207367616. Its totient is φ = 29815603200.

The previous prime is 76623694783. The next prime is 76623694787. The reversal of 76623694784 is 48749632667.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76623694783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247424 + ... + 463104.

It is an arithmetic number, because the mean of its divisors is an integer number (1698280068).

Almost surely, 2^76623694784 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 76623694784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95103683808).

76623694784 is an abundant number, since it is smaller than the sum of its proper divisors (113583672832).

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

76623694784 is a wasteful number, since it uses less digits than its factorization.

76623694784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215774 (or 215764 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 62.

The spelling of 76623694784 in words is "seventy-six billion, six hundred twenty-three million, six hundred ninety-four thousand, seven hundred eighty-four".