82837865 has 16 divisors (see below), whose sum is σ = 108673920. Its totient is φ = 60117120.

The previous prime is 82837849. The next prime is 82837873. The reversal of 82837865 is 56873828.

It is not a de Polignac number, because 82837865 - 2⁴ = 82837849 is a prime.

It is a super-2 number, since 2×82837865² = 13724223755516450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29972 + ... + 32618.

It is an arithmetic number, because the mean of its divisors is an integer number (6792120).

Almost surely, 2^82837865 is an apocalyptic number.

It is an amenable number.

82837865 is a deficient number, since it is larger than the sum of its proper divisors (25836055).

82837865 is a wasteful number, since it uses less digits than its factorization.

82837865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its digits is 645120, while the sum is 47.

The square root of 82837865 is about 9101.5309151812. The cubic root of 82837865 is about 435.9228481306.

The spelling of 82837865 in words is "eighty-two million, eight hundred thirty-seven thousand, eight hundred sixty-five".