82790465 has 8 divisors (see below), whose sum is σ = 99404928. Its totient is φ = 66194800.

The previous prime is 82790443. The next prime is 82790479. The reversal of 82790465 is 56409728.

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

It is not a de Polignac number, because 82790465 - 2⁶ = 82790401 is a prime.

It is a super-2 number, since 2×82790465² = 13708522189832450, which contains 22 as substring.

It is a Duffinian number.

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, 8234 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (12425616).

Almost surely, 2^82790465 is an apocalyptic number.

It is an amenable number.

82790465 is a deficient number, since it is larger than the sum of its proper divisors (16614463).

82790465 is a wasteful number, since it uses less digits than its factorization.

82790465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 82790465 is about 9098.9265850429. The cubic root of 82790465 is about 435.8396869444.

The spelling of 82790465 in words is "eighty-two million, seven hundred ninety thousand, four hundred sixty-five".