79382939388 has 24 divisors (see below), whose sum is σ = 185450856192. Its totient is φ = 26428980144.

The previous prime is 79382939309. The next prime is 79382939401. The reversal of 79382939388 is 88393928397.

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, 3989620 + ... + 4009467.

It is an arithmetic number, because the mean of its divisors is an integer number (7727119008).

Almost surely, 2^79382939388 is an apocalyptic number.

It is an amenable number.

79382939388 is an abundant number, since it is smaller than the sum of its proper divisors (106067916804).

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

79382939388 is a wasteful number, since it uses less digits than its factorization.

79382939388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7999921 (or 7999919 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 69.

The spelling of 79382939388 in words is "seventy-nine billion, three hundred eighty-two million, nine hundred thirty-nine thousand, three hundred eighty-eight".