870396087 has 8 divisors (see below), whose sum is σ = 1266030720. Its totient is φ = 527512760.

The previous prime is 870396049. The next prime is 870396097. The reversal of 870396087 is 780693078.

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

It is a cyclic number.

It is not a de Polignac number, because 870396087 - 2¹⁰ = 870395063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870396097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187787 + ... + 13187852.

It is an arithmetic number, because the mean of its divisors is an integer number (158253840).

Almost surely, 2^870396087 is an apocalyptic number.

870396087 is a deficient number, since it is larger than the sum of its proper divisors (395634633).

870396087 is a wasteful number, since it uses less digits than its factorization.

870396087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375653.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 870396087 is about 29502.4759469438. The cubic root of 870396087 is about 954.7851227494.

The spelling of 870396087 in words is "eight hundred seventy million, three hundred ninety-six thousand, eighty-seven".