870612348274581 has 64 divisors (see below), whose sum is σ = 1334258254577664. Its totient is φ = 499793279832000.

The previous prime is 870612348274511. The next prime is 870612348274607. The reversal of 870612348274581 is 185472843216078.

It is not a de Polignac number, because 870612348274581 - 2⁷ = 870612348274453 is a prime.

It is a super-3 number, since 3×870612348274581³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870612348274511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7606799406 + ... + 7606913856.

It is an arithmetic number, because the mean of its divisors is an integer number (20847785227776).

Almost surely, 2^{870612348274581} is an apocalyptic number.

It is an amenable number.

870612348274581 is a deficient number, since it is larger than the sum of its proper divisors (463645906303083).

870612348274581 is a wasteful number, since it uses less digits than its factorization.

870612348274581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211894.

The product of its (nonzero) digits is 144506880, while the sum is 66.

The spelling of 870612348274581 in words is "eight hundred seventy trillion, six hundred twelve billion, three hundred forty-eight million, two hundred seventy-four thousand, five hundred eighty-one".