82900791 has 6 divisors (see below), whose sum is σ = 119745600. Its totient is φ = 55267188.

The previous prime is 82900787. The next prime is 82900793. The reversal of 82900791 is 19700928.

It is a happy number.

It is not a de Polignac number, because 82900791 - 2² = 82900787 is a prime.

It is a super-2 number, since 2×82900791² = 13745082296851362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82900793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4605591 + ... + 4605608.

It is an arithmetic number, because the mean of its divisors is an integer number (19957600).

Almost surely, 2^82900791 is an apocalyptic number.

82900791 is a deficient number, since it is larger than the sum of its proper divisors (36844809).

82900791 is a wasteful number, since it uses less digits than its factorization.

82900791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211205 (or 9211202 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 82900791 is about 9104.9871499086. The cubic root of 82900791 is about 436.0331999941.

The spelling of 82900791 in words is "eighty-two million, nine hundred thousand, seven hundred ninety-one".