870646558411553 has 16 divisors (see below), whose sum is σ = 1088949415272576. Its totient is φ = 676258394797440.

The previous prime is 870646558411517. The next prime is 870646558411571. The reversal of 870646558411553 is 355114855646078.

It is a happy number.

It is not a de Polignac number, because 870646558411553 - 2⁸ = 870646558411297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870646558411153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18062433026 + ... + 18062481227.

It is an arithmetic number, because the mean of its divisors is an integer number (68059338454536).

Almost surely, 2^{870646558411553} is an apocalyptic number.

It is an amenable number.

870646558411553 is a deficient number, since it is larger than the sum of its proper divisors (218302856861023).

870646558411553 is a wasteful number, since it uses less digits than its factorization.

870646558411553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36124914584.

The product of its (nonzero) digits is 483840000, while the sum is 68.

The spelling of 870646558411553 in words is "eight hundred seventy trillion, six hundred forty-six billion, five hundred fifty-eight million, four hundred eleven thousand, five hundred fifty-three".