82855967 has 2 divisors, whose sum is σ = 82855968. Its totient is φ = 82855966.

The previous prime is 82855951. The next prime is 82855973. The reversal of 82855967 is 76955828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82855967 - 2⁴ = 82855951 is a prime.

It is a super-2 number, since 2×82855967² = 13730222535010178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82855937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41427983 + 41427984.

It is an arithmetic number, because the mean of its divisors is an integer number (41427984).

Almost surely, 2^82855967 is an apocalyptic number.

82855967 is a deficient number, since it is larger than the sum of its proper divisors (1).

82855967 is an equidigital number, since it uses as much as digits as its factorization.

82855967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 82855967 is about 9102.5253089459. The cubic root of 82855967 is about 435.9545989114.

The spelling of 82855967 in words is "eighty-two million, eight hundred fifty-five thousand, nine hundred sixty-seven".