870675177615157 has 4 divisors (see below), whose sum is σ = 870677509981356. Its totient is φ = 870672845248960.

The previous prime is 870675177615119. The next prime is 870675177615203. The reversal of 870675177615157 is 751516771576078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97191974242801 + 773483203372356 = 9858599^2 + 27811566^2 .

It is a cyclic number.

It is not a de Polignac number, because 870675177615157 - 2²⁷ = 870675043397429 is a prime.

It is a super-2 number, since 2×870675177615157² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870675177615157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870675177115157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165623058 + ... + 1166369779.

It is an arithmetic number, because the mean of its divisors is an integer number (217669377495339).

Almost surely, 2^{870675177615157} is an apocalyptic number.

It is an amenable number.

870675177615157 is a deficient number, since it is larger than the sum of its proper divisors (2332366199).

870675177615157 is a wasteful number, since it uses less digits than its factorization.

870675177615157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332366198.

The product of its (nonzero) digits is 605052000, while the sum is 73.

The spelling of 870675177615157 in words is "eight hundred seventy trillion, six hundred seventy-five billion, one hundred seventy-seven million, six hundred fifteen thousand, one hundred fifty-seven".