82931877 has 16 divisors (see below), whose sum is σ = 140414080. Its totient is φ = 47389536.

The previous prime is 82931873. The next prime is 82931881. The reversal of 82931877 is 77813928.

It is an interprime number because it is at equal distance from previous prime (82931873) and next prime (82931881).

It is not a de Polignac number, because 82931877 - 2² = 82931873 is a prime.

It is a super-3 number, since 3×82931877³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82931873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219208 + ... + 219585.

It is an arithmetic number, because the mean of its divisors is an integer number (8775880).

Almost surely, 2^82931877 is an apocalyptic number.

It is an amenable number.

82931877 is a deficient number, since it is larger than the sum of its proper divisors (57482203).

82931877 is a wasteful number, since it uses less digits than its factorization.

82931877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438809 (or 438803 counting only the distinct ones).

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

The square root of 82931877 is about 9106.6940763375. The cubic root of 82931877 is about 436.0876941834.

The spelling of 82931877 in words is "eighty-two million, nine hundred thirty-one thousand, eight hundred seventy-seven".