397292734776 has 64 divisors (see below), whose sum is σ = 1135547412480. Its totient is φ = 113469678720.

The previous prime is 397292734771. The next prime is 397292734777. The reversal of 397292734776 is 677437292793.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397292734771) 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, 8041 + ... + 891431.

It is an arithmetic number, because the mean of its divisors is an integer number (17742928320).

Almost surely, 2^397292734776 is an apocalyptic number.

It is an amenable number.

397292734776 is an abundant number, since it is smaller than the sum of its proper divisors (738254677704).

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

397292734776 is a wasteful number, since it uses less digits than its factorization.

397292734776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886084 (or 886080 counting only the distinct ones).

The product of its digits is 168031584, while the sum is 66.

The spelling of 397292734776 in words is "three hundred ninety-seven billion, two hundred ninety-two million, seven hundred thirty-four thousand, seven hundred seventy-six".