76439395772 has 12 divisors (see below), whose sum is σ = 134141560560. Its totient is φ = 38113235616.

The previous prime is 76439395763. The next prime is 76439395777. The reversal of 76439395772 is 27759393467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76439395777) 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, 26613953 + ... + 26616824.

It is an arithmetic number, because the mean of its divisors is an integer number (11178463380).

Almost surely, 2^76439395772 is an apocalyptic number.

It is an amenable number.

76439395772 is a deficient number, since it is larger than the sum of its proper divisors (57702164788).

76439395772 is a wasteful number, since it uses less digits than its factorization.

76439395772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53231140 (or 53231138 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 62.

The spelling of 76439395772 in words is "seventy-six billion, four hundred thirty-nine million, three hundred ninety-five thousand, seven hundred seventy-two".