870563715 has 16 divisors (see below), whose sum is σ = 1591888128. Its totient is φ = 397971936.

The previous prime is 870563711. The next prime is 870563747. The reversal of 870563715 is 517365078.

It is not a de Polignac number, because 870563715 - 2² = 870563711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870563711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4145437 + ... + 4145646.

It is an arithmetic number, because the mean of its divisors is an integer number (99493008).

Almost surely, 2^870563715 is an apocalyptic number.

870563715 is a deficient number, since it is larger than the sum of its proper divisors (721324413).

870563715 is a wasteful number, since it uses less digits than its factorization.

870563715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291098.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 870563715 is about 29505.3167242787. The cubic root of 870563715 is about 954.8464122586.

The spelling of 870563715 in words is "eight hundred seventy million, five hundred sixty-three thousand, seven hundred fifteen".