82313793 has 8 divisors (see below), whose sum is σ = 121946400. Its totient is φ = 54875844.

The previous prime is 82313783. The next prime is 82313809. The reversal of 82313793 is 39731328.

It is a happy number.

It is not a de Polignac number, because 82313793 - 2⁶ = 82313729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82313723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524303 + ... + 1524356.

It is an arithmetic number, because the mean of its divisors is an integer number (15243300).

Almost surely, 2^82313793 is an apocalyptic number.

It is an amenable number.

82313793 is a deficient number, since it is larger than the sum of its proper divisors (39632607).

82313793 is a wasteful number, since it uses less digits than its factorization.

82313793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048668 (or 3048662 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 82313793 is about 9072.6949138610. The cubic root of 82313793 is about 435.0016171165.

The spelling of 82313793 in words is "eighty-two million, three hundred thirteen thousand, seven hundred ninety-three".