870892756461 has 96 divisors (see below), whose sum is σ = 1555208695040. Its totient is φ = 457312407552.

The previous prime is 870892756403. The next prime is 870892756483. The reversal of 870892756461 is 164657298078.

870892756461 is a `hidden beast` number, since 8 + 7 + 0 + 8 + 9 + 2 + 7 + 564 + 61 = 666.

It is not a de Polignac number, because 870892756461 - 2¹³ = 870892748269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870892755461) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 274814685 + ... + 274817853.

Almost surely, 2^870892756461 is an apocalyptic number.

It is an amenable number.

870892756461 is a deficient number, since it is larger than the sum of its proper divisors (684315938579).

870892756461 is a wasteful number, since it uses less digits than its factorization.

870892756461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 870892756461 in words is "eight hundred seventy billion, eight hundred ninety-two million, seven hundred fifty-six thousand, four hundred sixty-one".