82792385 has 8 divisors (see below), whose sum is σ = 106993320. Its totient is φ = 61138944.

The previous prime is 82792379. The next prime is 82792403. The reversal of 82792385 is 58329728.

It can be written as a sum of positive squares in 4 ways, for example, as 16711744 + 66080641 = 4088^2 + 8129^2 .

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 82792385 - 2⁶ = 82792321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636800 + ... + 636929.

It is an arithmetic number, because the mean of its divisors is an integer number (13374165).

Almost surely, 2^82792385 is an apocalyptic number.

It is an amenable number.

82792385 is a deficient number, since it is larger than the sum of its proper divisors (24200935).

82792385 is a wasteful number, since it uses less digits than its factorization.

82792385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273747.

The product of its digits is 241920, while the sum is 44.

The square root of 82792385 is about 9099.0320913820. The cubic root of 82792385 is about 435.8430561155.

The spelling of 82792385 in words is "eighty-two million, seven hundred ninety-two thousand, three hundred eighty-five".