86295997 has 2 divisors, whose sum is σ = 86295998. Its totient is φ = 86295996.

The previous prime is 86295991. The next prime is 86296019. The reversal of 86295997 is 79959268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 22838841 = 7966^2 + 4779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86295997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86295991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43147998 + 43147999.

It is an arithmetic number, because the mean of its divisors is an integer number (43147999).

Almost surely, 2^86295997 is an apocalyptic number.

It is an amenable number.

86295997 is a deficient number, since it is larger than the sum of its proper divisors (1).

86295997 is an equidigital number, since it uses as much as digits as its factorization.

86295997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 86295997 is about 9289.5638756618. The cubic root of 86295997 is about 441.9063242033.

The spelling of 86295997 in words is "eighty-six million, two hundred ninety-five thousand, nine hundred ninety-seven".