85976565 has 32 divisors (see below), whose sum is σ = 149060736. Its totient is φ = 42147840.

The previous prime is 85976563. The next prime is 85976573. The reversal of 85976565 is 56567958.

It is not a de Polignac number, because 85976565 - 2¹ = 85976563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85976563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7045 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (4658148).

Almost surely, 2^85976565 is an apocalyptic number.

85976565 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85976565 is a deficient number, since it is larger than the sum of its proper divisors (63084171).

85976565 is a wasteful number, since it uses less digits than its factorization.

85976565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909.

The product of its digits is 2268000, while the sum is 51.

The square root of 85976565 is about 9272.3548788859. The cubic root of 85976565 is about 441.3603987234.

The spelling of 85976565 in words is "eighty-five million, nine hundred seventy-six thousand, five hundred sixty-five".