82744797 has 32 divisors (see below), whose sum is σ = 121651200. Its totient is φ = 49800960.

The previous prime is 82744787. The next prime is 82744807. The reversal of 82744797 is 79744728.

It is an interprime number because it is at equal distance from previous prime (82744787) and next prime (82744807).

It is not a de Polignac number, because 82744797 - 2²⁶ = 15635933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82744747) 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 31 ways as a sum of consecutive naturals, for example, 314488 + ... + 314750.

It is an arithmetic number, because the mean of its divisors is an integer number (3801600).

Almost surely, 2^82744797 is an apocalyptic number.

It is an amenable number.

82744797 is a deficient number, since it is larger than the sum of its proper divisors (38906403).

82744797 is a wasteful number, since it uses less digits than its factorization.

82744797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 790272, while the sum is 48.

The square root of 82744797 is about 9096.4167120905. The cubic root of 82744797 is about 435.7595344467.

The spelling of 82744797 in words is "eighty-two million, seven hundred forty-four thousand, seven hundred ninety-seven".