85977475 has 6 divisors (see below), whose sum is σ = 106612100. Its totient is φ = 68781960.

The previous prime is 85977469. The next prime is 85977481. The reversal of 85977475 is 57477958.

It is an interprime number because it is at equal distance from previous prime (85977469) and next prime (85977481).

It is not a de Polignac number, because 85977475 - 2³ = 85977467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1719525 + ... + 1719574.

Almost surely, 2^85977475 is an apocalyptic number.

85977475 is a deficient number, since it is larger than the sum of its proper divisors (20634625).

85977475 is a wasteful number, since it uses less digits than its factorization.

85977475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439109 (or 3439104 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 52.

The square root of 85977475 is about 9272.4039493542. The cubic root of 85977475 is about 441.3619558785.

The spelling of 85977475 in words is "eighty-five million, nine hundred seventy-seven thousand, four hundred seventy-five".