82794861 has 6 divisors (see below), whose sum is σ = 119592590. Its totient is φ = 55196568.

The previous prime is 82794857. The next prime is 82794869. The reversal of 82794861 is 16849728.

It can be written as a sum of positive squares in only one way, i.e., 75585636 + 7209225 = 8694^2 + 2685^2 .

It is not a de Polignac number, because 82794861 - 2² = 82794857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82794869) 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, 4599706 + ... + 4599723.

Almost surely, 2^82794861 is an apocalyptic number.

It is an amenable number.

82794861 is a deficient number, since it is larger than the sum of its proper divisors (36797729).

82794861 is a wasteful number, since it uses less digits than its factorization.

82794861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9199435 (or 9199432 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 82794861 is about 9099.1681487925. The cubic root of 82794861 is about 435.8474008656.

The spelling of 82794861 in words is "eighty-two million, seven hundred ninety-four thousand, eight hundred sixty-one".