85910957 has 16 divisors (see below), whose sum is σ = 98271360. Its totient is φ = 74342400.

The previous prime is 85910939. The next prime is 85910959. The reversal of 85910957 is 75901958.

It is a happy number.

It is not a de Polignac number, because 85910957 - 2¹⁰ = 85909933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85910959) 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, 60269 + ... + 61677.

It is an arithmetic number, because the mean of its divisors is an integer number (6141960).

Almost surely, 2^85910957 is an apocalyptic number.

It is an amenable number.

85910957 is a deficient number, since it is larger than the sum of its proper divisors (12360403).

85910957 is a wasteful number, since it uses less digits than its factorization.

85910957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 85910957 is about 9268.8163753524. The cubic root of 85910957 is about 441.2481040079.

The spelling of 85910957 in words is "eighty-five million, nine hundred ten thousand, nine hundred fifty-seven".