82889790979 has 8 divisors (see below), whose sum is σ = 84915312048. Its totient is φ = 80864451840.

The previous prime is 82889790967. The next prime is 82889790983. The reversal of 82889790979 is 97909798828.

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 82889790979 - 2¹¹ = 82889788931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82889790989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562539 + ... + 1614715.

It is an arithmetic number, because the mean of its divisors is an integer number (10614414006).

Almost surely, 2^82889790979 is an apocalyptic number.

82889790979 is a deficient number, since it is larger than the sum of its proper divisors (2025521069).

82889790979 is a wasteful number, since it uses less digits than its factorization.

82889790979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90965.

The product of its (nonzero) digits is 329204736, while the sum is 76.

The spelling of 82889790979 in words is "eighty-two billion, eight hundred eighty-nine million, seven hundred ninety thousand, nine hundred seventy-nine".