82625555 has 8 divisors (see below), whose sum is σ = 99315072. Its totient is φ = 65990848.

The previous prime is 82625531. The next prime is 82625563. The reversal of 82625555 is 55552628.

It is a happy number.

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 82625555 - 2⁸ = 82625299 is a prime.

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, 10307 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (12414384).

Almost surely, 2^82625555 is an apocalyptic number.

82625555 is a deficient number, since it is larger than the sum of its proper divisors (16689517).

82625555 is a wasteful number, since it uses less digits than its factorization.

82625555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405.

The product of its digits is 120000, while the sum is 38.

The square root of 82625555 is about 9089.8600099231. The cubic root of 82625555 is about 435.5501121417.

The spelling of 82625555 in words is "eighty-two million, six hundred twenty-five thousand, five hundred fifty-five".