86972107 has 2 divisors, whose sum is σ = 86972108. Its totient is φ = 86972106.

The previous prime is 86972087. The next prime is 86972113. The reversal of 86972107 is 70127968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86972107 - 2²³ = 78583499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86972107.

It is not a weakly prime, because it can be changed into another prime (86972147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43486053 + 43486054.

It is an arithmetic number, because the mean of its divisors is an integer number (43486054).

Almost surely, 2^86972107 is an apocalyptic number.

86972107 is a deficient number, since it is larger than the sum of its proper divisors (1).

86972107 is an equidigital number, since it uses as much as digits as its factorization.

86972107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 86972107 is about 9325.8837114774. The cubic root of 86972107 is about 443.0574026206.

The spelling of 86972107 in words is "eighty-six million, nine hundred seventy-two thousand, one hundred seven".