85864292 has 12 divisors (see below), whose sum is σ = 153757296. Its totient is φ = 41933640.

The previous prime is 85864277. The next prime is 85864307. The reversal of 85864292 is 29246858.

It is an interprime number because it is at equal distance from previous prime (85864277) and next prime (85864307).

It is a super-2 number, since 2×85864292² = 14745353281322528, which contains 22 as substring.

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, 249434 + ... + 249777.

It is an arithmetic number, because the mean of its divisors is an integer number (12813108).

Almost surely, 2^85864292 is an apocalyptic number.

It is an amenable number.

85864292 is a deficient number, since it is larger than the sum of its proper divisors (67893004).

85864292 is a wasteful number, since it uses less digits than its factorization.

85864292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499258 (or 499256 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 85864292 is about 9266.2987217119. The cubic root of 85864292 is about 441.1681973511.

The spelling of 85864292 in words is "eighty-five million, eight hundred sixty-four thousand, two hundred ninety-two".