82615793 has 16 divisors (see below), whose sum is σ = 93985920. Its totient is φ = 72044544.

The previous prime is 82615789. The next prime is 82615807. The reversal of 82615793 is 39751628.

It is not a de Polignac number, because 82615793 - 2² = 82615789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82615793.

It is not an unprimeable number, because it can be changed into a prime (82615703) 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, 23153 + ... + 26481.

It is an arithmetic number, because the mean of its divisors is an integer number (5874120).

Almost surely, 2^82615793 is an apocalyptic number.

82615793 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

82615793 is a deficient number, since it is larger than the sum of its proper divisors (11370127).

82615793 is a wasteful number, since it uses less digits than its factorization.

82615793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448.

The product of its digits is 90720, while the sum is 41.

The square root of 82615793 is about 9089.3230220958. The cubic root of 82615793 is about 435.5329584187.

The spelling of 82615793 in words is "eighty-two million, six hundred fifteen thousand, seven hundred ninety-three".