82255715 has 8 divisors (see below), whose sum is σ = 99630000. Its totient is φ = 65189152.

The previous prime is 82255681. The next prime is 82255727. The reversal of 82255715 is 51755228.

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 82255715 - 2¹² = 82251619 is a prime.

It is a super-2 number, since 2×82255715² = 13532005300322450, which contains 22 as substring.

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, 76340 + ... + 77409.

It is an arithmetic number, because the mean of its divisors is an integer number (12453750).

Almost surely, 2^82255715 is an apocalyptic number.

82255715 is a deficient number, since it is larger than the sum of its proper divisors (17374285).

82255715 is a wasteful number, since it uses less digits than its factorization.

82255715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153861.

The product of its digits is 28000, while the sum is 35.

The square root of 82255715 is about 9069.4936462848. The cubic root of 82255715 is about 434.8992852668.

The spelling of 82255715 in words is "eighty-two million, two hundred fifty-five thousand, seven hundred fifteen".