82918190923 has 4 divisors (see below), whose sum is σ = 82935052560. Its totient is φ = 82901329288.

The previous prime is 82918190911. The next prime is 82918190933. The reversal of 82918190923 is 32909181928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82918190923 - 2⁵ = 82918190891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82918190933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423440 + ... + 8433277.

It is an arithmetic number, because the mean of its divisors is an integer number (20733763140).

Almost surely, 2^82918190923 is an apocalyptic number.

82918190923 is a deficient number, since it is larger than the sum of its proper divisors (16861637).

82918190923 is a wasteful number, since it uses less digits than its factorization.

82918190923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861636.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 82918190923 in words is "eighty-two billion, nine hundred eighteen million, one hundred ninety thousand, nine hundred twenty-three".