82507907 has 2 divisors, whose sum is σ = 82507908. Its totient is φ = 82507906.

The previous prime is 82507879. The next prime is 82507913. The reversal of 82507907 is 70970528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82507907 - 2²⁰ = 81459331 is a prime.

It is not a weakly prime, because it can be changed into another prime (82507207) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41253953 + 41253954.

It is an arithmetic number, because the mean of its divisors is an integer number (41253954).

Almost surely, 2^82507907 is an apocalyptic number.

82507907 is a deficient number, since it is larger than the sum of its proper divisors (1).

82507907 is an equidigital number, since it uses as much as digits as its factorization.

82507907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 82507907 is about 9083.3863178883. The cubic root of 82507907 is about 435.3432917889.

The spelling of 82507907 in words is "eighty-two million, five hundred seven thousand, nine hundred seven".