870137957972 has 24 divisors (see below), whose sum is σ = 1538852899584. Its totient is φ = 430486391232.

The previous prime is 870137957929. The next prime is 870137957993. The reversal of 870137957972 is 279759731078.

It is a junction number, because it is equal to n+sod(n) for n = 870137957899 and 870137957908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417828 + ... + 2754299.

It is an arithmetic number, because the mean of its divisors is an integer number (64118870816).

Almost surely, 2^870137957972 is an apocalyptic number.

It is an amenable number.

870137957972 is a deficient number, since it is larger than the sum of its proper divisors (668714941612).

870137957972 is a wasteful number, since it uses less digits than its factorization.

870137957972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172575 (or 5172573 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 65.

The spelling of 870137957972 in words is "eight hundred seventy billion, one hundred thirty-seven million, nine hundred fifty-seven thousand, nine hundred seventy-two".