82183977 has 10 divisors (see below), whose sum is σ = 122768778. Its totient is φ = 54789264.

The previous prime is 82183951. The next prime is 82183979. The reversal of 82183977 is 77938128.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 14220441 = 8244^2 + 3771^2 .

It is not a de Polignac number, because 82183977 - 2¹⁹ = 81659689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82183979) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 507228 + ... + 507389.

Almost surely, 2^82183977 is an apocalyptic number.

It is an amenable number.

82183977 is a deficient number, since it is larger than the sum of its proper divisors (40584801).

82183977 is a wasteful number, since it uses less digits than its factorization.

82183977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014629 (or 1014620 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 82183977 is about 9065.5378770374. The cubic root of 82183977 is about 434.7728183533.

The spelling of 82183977 in words is "eighty-two million, one hundred eighty-three thousand, nine hundred seventy-seven".