870804002855 has 8 divisors (see below), whose sum is σ = 1078673345664. Its totient is φ = 674170840800.

The previous prime is 870804002813. The next prime is 870804002867. The reversal of 870804002855 is 558200408078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870804002855 - 2²⁴ = 870787225639 is a prime.

It is a super-2 number, since 2×870804002855² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809045016 + ... + 2809045325.

It is an arithmetic number, because the mean of its divisors is an integer number (134834168208).

Almost surely, 2^870804002855 is an apocalyptic number.

870804002855 is a deficient number, since it is larger than the sum of its proper divisors (207869342809).

870804002855 is a wasteful number, since it uses less digits than its factorization.

870804002855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618090377.

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 870804002855 in words is "eight hundred seventy billion, eight hundred four million, two thousand, eight hundred fifty-five".