82920193 has 8 divisors (see below), whose sum is σ = 87235200. Its totient is φ = 78702288.

The previous prime is 82920181. The next prime is 82920197. The reversal of 82920193 is 39102928.

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

It is not a de Polignac number, because 82920193 - 2²⁵ = 49365761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82920197) 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, 22521 + ... + 25942.

It is an arithmetic number, because the mean of its divisors is an integer number (10904400).

Almost surely, 2^82920193 is an apocalyptic number.

It is an amenable number.

82920193 is a deficient number, since it is larger than the sum of its proper divisors (4315007).

82920193 is a wasteful number, since it uses less digits than its factorization.

82920193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48551.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 82920193 is about 9106.0525476191. The cubic root of 82920193 is about 436.0672135668.

The spelling of 82920193 in words is "eighty-two million, nine hundred twenty thousand, one hundred ninety-three".