85614987 has 4 divisors (see below), whose sum is σ = 114153320. Its totient is φ = 57076656.

The previous prime is 85614961. The next prime is 85615027. The reversal of 85614987 is 78941658.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85614987 - 2⁸ = 85614731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85614917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14269162 + ... + 14269167.

It is an arithmetic number, because the mean of its divisors is an integer number (28538330).

Almost surely, 2^85614987 is an apocalyptic number.

85614987 is a deficient number, since it is larger than the sum of its proper divisors (28538333).

85614987 is a wasteful number, since it uses less digits than its factorization.

85614987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28538332.

The product of its digits is 483840, while the sum is 48.

The square root of 85614987 is about 9252.8367001693. The cubic root of 85614987 is about 440.7408095370.

The spelling of 85614987 in words is "eighty-five million, six hundred fourteen thousand, nine hundred eighty-seven".