82508277 has 16 divisors (see below), whose sum is σ = 116585280. Its totient is φ = 51811200.

The previous prime is 82508273. The next prime is 82508287. The reversal of 82508277 is 77280528.

It is not a de Polignac number, because 82508277 - 2² = 82508273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7999 + ... + 15132.

It is an arithmetic number, because the mean of its divisors is an integer number (7286580).

Almost surely, 2^82508277 is an apocalyptic number.

82508277 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

82508277 is a deficient number, since it is larger than the sum of its proper divisors (34077003).

82508277 is a wasteful number, since it uses less digits than its factorization.

82508277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 82508277 is about 9083.4066847191. The cubic root of 82508277 is about 435.3439425418.

The spelling of 82508277 in words is "eighty-two million, five hundred eight thousand, two hundred seventy-seven".