85700487 has 16 divisors (see below), whose sum is σ = 116218080. Its totient is φ = 56166912.

The previous prime is 85700477. The next prime is 85700497. The reversal of 85700487 is 78400758.

It is an interprime number because it is at equal distance from previous prime (85700477) and next prime (85700497).

It is not a de Polignac number, because 85700487 - 2⁷ = 85700359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85700477) 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, 43843 + ... + 45755.

It is an arithmetic number, because the mean of its divisors is an integer number (7263630).

Almost surely, 2^85700487 is an apocalyptic number.

85700487 is a deficient number, since it is larger than the sum of its proper divisors (30517593).

85700487 is a wasteful number, since it uses less digits than its factorization.

85700487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 85700487 is about 9257.4557519872. The cubic root of 85700487 is about 440.8874770121.

The spelling of 85700487 in words is "eighty-five million, seven hundred thousand, four hundred eighty-seven".