82897793 has 8 divisors (see below), whose sum is σ = 91086240. Its totient is φ = 74818080.

The previous prime is 82897783. The next prime is 82897807. The reversal of 82897793 is 39779828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82897793 - 2¹² = 82893697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82897783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25580 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (11385780).

Almost surely, 2^82897793 is an apocalyptic number.

It is an amenable number.

82897793 is a deficient number, since it is larger than the sum of its proper divisors (8188447).

82897793 is a wasteful number, since it uses less digits than its factorization.

82897793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54367.

The product of its digits is 1524096, while the sum is 53.

The square root of 82897793 is about 9104.8225133717. The cubic root of 82897793 is about 436.0279437383.

The spelling of 82897793 in words is "eighty-two million, eight hundred ninety-seven thousand, seven hundred ninety-three".