85705356 has 24 divisors (see below), whose sum is σ = 218159424. Its totient is φ = 25971280.

The previous prime is 85705343. The next prime is 85705363. The reversal of 85705356 is 65350758.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324510 + ... + 324773.

It is an arithmetic number, because the mean of its divisors is an integer number (9089976).

Almost surely, 2^85705356 is an apocalyptic number.

It is an amenable number.

85705356 is an abundant number, since it is smaller than the sum of its proper divisors (132454068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85705356 is a wasteful number, since it uses less digits than its factorization.

85705356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649301 (or 649299 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 85705356 is about 9257.7187254744. The cubic root of 85705356 is about 440.8958264025.

The spelling of 85705356 in words is "eighty-five million, seven hundred five thousand, three hundred fifty-six".