85702311 has 12 divisors (see below), whose sum is σ = 126671688. Its totient is φ = 55805904.

The previous prime is 85702307. The next prime is 85702333. The reversal of 85702311 is 11320758.

It is not a de Polignac number, because 85702311 - 2² = 85702307 is a prime.

It is a super-2 number, since 2×85702311² = 14689772221481442, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85702381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110340 + ... + 111113.

It is an arithmetic number, because the mean of its divisors is an integer number (10555974).

Almost surely, 2^85702311 is an apocalyptic number.

85702311 is a deficient number, since it is larger than the sum of its proper divisors (40969377).

85702311 is a wasteful number, since it uses less digits than its factorization.

85702311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221502 (or 221499 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 85702311 is about 9257.5542666516. The cubic root of 85702311 is about 440.8906048553.

The spelling of 85702311 in words is "eighty-five million, seven hundred two thousand, three hundred eleven".