82992287 has 16 divisors (see below), whose sum is σ = 98442240. Its totient is φ = 68457312.

The previous prime is 82992277. The next prime is 82992289. The reversal of 82992287 is 78229928.

It is not a de Polignac number, because 82992287 - 2⁸ = 82992031 is a prime.

It is a pancake number, because a pancake can be divided into 82992287 parts by 12883 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82992289) 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, 93548 + ... + 94430.

It is an arithmetic number, because the mean of its divisors is an integer number (6152640).

Almost surely, 2^82992287 is an apocalyptic number.

82992287 is a deficient number, since it is larger than the sum of its proper divisors (15449953).

82992287 is a wasteful number, since it uses less digits than its factorization.

82992287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 290304, while the sum is 47.

The square root of 82992287 is about 9110.0102634410. The cubic root of 82992287 is about 436.1935548189.

The spelling of 82992287 in words is "eighty-two million, nine hundred ninety-two thousand, two hundred eighty-seven".