86951507 has 2 divisors, whose sum is σ = 86951508. Its totient is φ = 86951506.

The previous prime is 86951489. The next prime is 86951509. The reversal of 86951507 is 70515968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86951507 - 2²⁰ = 85902931 is a prime.

Together with 86951509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86951509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43475753 + 43475754.

It is an arithmetic number, because the mean of its divisors is an integer number (43475754).

Almost surely, 2^86951507 is an apocalyptic number.

86951507 is a deficient number, since it is larger than the sum of its proper divisors (1).

86951507 is an equidigital number, since it uses as much as digits as its factorization.

86951507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 86951507 is about 9324.7791930962. The cubic root of 86951507 is about 443.0224193618.

The spelling of 86951507 in words is "eighty-six million, nine hundred fifty-one thousand, five hundred seven".