860870894 has 16 divisors (see below), whose sum is σ = 1420227648. Its totient is φ = 388870752.

The previous prime is 860870851. The next prime is 860870909. The reversal of 860870894 is 498078068.

It is a super-2 number, since 2×860870894² = 1482197392272718472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 351017 + ... + 353460.

It is an arithmetic number, because the mean of its divisors is an integer number (88764228).

Almost surely, 2^860870894 is an apocalyptic number.

860870894 is a deficient number, since it is larger than the sum of its proper divisors (559356754).

860870894 is a wasteful number, since it uses less digits than its factorization.

860870894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704539.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 860870894 is about 29340.6014594112. The cubic root of 860870894 is about 951.2894379696.

The spelling of 860870894 in words is "eight hundred sixty million, eight hundred seventy thousand, eight hundred ninety-four".