82379876065 has 8 divisors (see below), whose sum is σ = 99966591720. Its totient is φ = 65163407232.

The previous prime is 82379876023. The next prime is 82379876077. The reversal of 82379876065 is 56067897328.

It can be written as a sum of positive squares in 4 ways, for example, as 22351446016 + 60028430049 = 149504^2 + 245007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82379876065 - 2⁷ = 82379875937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82379875994 and 82379876012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92561214 + ... + 92562103.

It is an arithmetic number, because the mean of its divisors is an integer number (12495823965).

Almost surely, 2^82379876065 is an apocalyptic number.

It is an amenable number.

82379876065 is a deficient number, since it is larger than the sum of its proper divisors (17586715655).

82379876065 is a wasteful number, since it uses less digits than its factorization.

82379876065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185123411.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 82379876065 in words is "eighty-two billion, three hundred seventy-nine million, eight hundred seventy-six thousand, sixty-five".