85816293 has 16 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 54103680.

The previous prime is 85816279. The next prime is 85816309. The reversal of 85816293 is 39261858.

It is not a de Polignac number, because 85816293 - 2⁶ = 85816229 is a prime.

It is a super-2 number, since 2×85816293² = 14728872288523698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85816253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45183 + ... + 47043.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^85816293 is an apocalyptic number.

It is an amenable number.

85816293 is a deficient number, since it is larger than the sum of its proper divisors (34841307).

85816293 is a wasteful number, since it uses less digits than its factorization.

85816293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692.

The product of its digits is 103680, while the sum is 42.

The square root of 85816293 is about 9263.7083827159. The cubic root of 85816293 is about 441.0859762134.

The spelling of 85816293 in words is "eighty-five million, eight hundred sixteen thousand, two hundred ninety-three".