82790575 has 12 divisors (see below), whose sum is σ = 117326320. Its totient is φ = 56770560.

The previous prime is 82790569. The next prime is 82790651. The reversal of 82790575 is 57509728.

It is not a de Polignac number, because 82790575 - 2⁹ = 82790063 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236370 + ... + 236719.

Almost surely, 2^82790575 is an apocalyptic number.

82790575 is a deficient number, since it is larger than the sum of its proper divisors (34535745).

82790575 is a wasteful number, since it uses less digits than its factorization.

82790575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473106 (or 473101 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 82790575 is about 9098.9326297099. The cubic root of 82790575 is about 435.8398799713.

The spelling of 82790575 in words is "eighty-two million, seven hundred ninety thousand, five hundred seventy-five".