870878270 has 8 divisors (see below), whose sum is σ = 1567580904. Its totient is φ = 348351304.

The previous prime is 870878263. The next prime is 870878293. The reversal of 870878270 is 72878078.

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

It is a super-2 number, since 2×870878270² = 1516857922316385800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43543904 + ... + 43543923.

It is an arithmetic number, because the mean of its divisors is an integer number (195947613).

Almost surely, 2^870878270 is an apocalyptic number.

870878270 is a deficient number, since it is larger than the sum of its proper divisors (696702634).

870878270 is a wasteful number, since it uses less digits than its factorization.

870878270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87087834.

The product of its (nonzero) digits is 351232, while the sum is 47.

The square root of 870878270 is about 29510.6467228355. The cubic root of 870878270 is about 954.9614011793.

The spelling of 870878270 in words is "eight hundred seventy million, eight hundred seventy-eight thousand, two hundred seventy".