397960877410 has 16 divisors (see below), whose sum is σ = 728072688312. Its totient is φ = 156574771200.

The previous prime is 397960877387. The next prime is 397960877449. The reversal of 397960877410 is 14778069793.

It can be written as a sum of positive squares in 4 ways, for example, as 293128036569 + 104832840841 = 541413^2 + 323779^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 326196831 + ... + 326198050.

Almost surely, 2^397960877410 is an apocalyptic number.

397960877410 is a deficient number, since it is larger than the sum of its proper divisors (330111810902).

397960877410 is a wasteful number, since it uses less digits than its factorization.

397960877410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652394949.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 397960877410 in words is "three hundred ninety-seven billion, nine hundred sixty million, eight hundred seventy-seven thousand, four hundred ten".