82981692356 has 24 divisors (see below), whose sum is σ = 148773106944. Its totient is φ = 40475270720.

The previous prime is 82981692349. The next prime is 82981692389. The reversal of 82981692356 is 65329618928.

It is a super-2 number, since 2×82981692356² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82981692295 and 82981692304.

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, 3494981 + ... + 3518643.

It is an arithmetic number, because the mean of its divisors is an integer number (6198879456).

Almost surely, 2^82981692356 is an apocalyptic number.

It is an amenable number.

82981692356 is a deficient number, since it is larger than the sum of its proper divisors (65791414588).

82981692356 is a wasteful number, since it uses less digits than its factorization.

82981692356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45091 (or 45089 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 59.

The spelling of 82981692356 in words is "eighty-two billion, nine hundred eighty-one million, six hundred ninety-two thousand, three hundred fifty-six".