77958974348 has 12 divisors (see below), whose sum is σ = 137961106920. Its totient is φ = 38541515232.

The previous prime is 77958974339. The next prime is 77958974369. The reversal of 77958974348 is 84347985977.

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109492586 + ... + 109493297.

It is an arithmetic number, because the mean of its divisors is an integer number (11496758910).

Almost surely, 2^77958974348 is an apocalyptic number.

It is an amenable number.

77958974348 is a deficient number, since it is larger than the sum of its proper divisors (60002132572).

77958974348 is a wasteful number, since it uses less digits than its factorization.

77958974348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218985976 (or 218985974 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 71.

The spelling of 77958974348 in words is "seventy-seven billion, nine hundred fifty-eight million, nine hundred seventy-four thousand, three hundred forty-eight".