82555667 has 4 divisors (see below), whose sum is σ = 82652856. Its totient is φ = 82458480.

The previous prime is 82555661. The next prime is 82555687. The reversal of 82555667 is 76655528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82555667 - 2²² = 78361363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82555661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47309 + ... + 49022.

It is an arithmetic number, because the mean of its divisors is an integer number (20663214).

Almost surely, 2^82555667 is an apocalyptic number.

82555667 is a deficient number, since it is larger than the sum of its proper divisors (97189).

82555667 is an equidigital number, since it uses as much as digits as its factorization.

82555667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97188.

The product of its digits is 504000, while the sum is 44.

The square root of 82555667 is about 9086.0149130408. The cubic root of 82555667 is about 435.4272755985.

The spelling of 82555667 in words is "eighty-two million, five hundred fifty-five thousand, six hundred sixty-seven".