76380638772 has 12 divisors (see below), whose sum is σ = 178221490496. Its totient is φ = 25460212920.

The previous prime is 76380638771. The next prime is 76380638777. The reversal of 76380638772 is 27783608367.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76380638771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182526604 + ... + 3182526627.

Almost surely, 2^76380638772 is an apocalyptic number.

It is an amenable number.

76380638772 is an abundant number, since it is smaller than the sum of its proper divisors (101840851724).

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

76380638772 is a wasteful number, since it uses less digits than its factorization.

76380638772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365053238 (or 6365053236 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 76380638772 in words is "seventy-six billion, three hundred eighty million, six hundred thirty-eight thousand, seven hundred seventy-two".