1397177164 has 24 divisors (see below), whose sum is σ = 2592511488. Its totient is φ = 656574720.

The previous prime is 1397177153. The next prime is 1397177203. The reversal of 1397177164 is 4617717931.

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, 35829 + ... + 63859.

It is an arithmetic number, because the mean of its divisors is an integer number (108021312).

Almost surely, 2^1397177164 is an apocalyptic number.

It is an amenable number.

1397177164 is a deficient number, since it is larger than the sum of its proper divisors (1195334324).

1397177164 is a wasteful number, since it uses less digits than its factorization.

1397177164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785 (or 28783 counting only the distinct ones).

The product of its digits is 222264, while the sum is 46.

The square root of 1397177164 is about 37378.8331011015. The cubic root of 1397177164 is about 1117.9365610768.

The spelling of 1397177164 in words is "one billion, three hundred ninety-seven million, one hundred seventy-seven thousand, one hundred sixty-four".