86968901 has 2 divisors, whose sum is σ = 86968902. Its totient is φ = 86968900.

The previous prime is 86968877. The next prime is 86968927. The reversal of 86968901 is 10986968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75238276 + 11730625 = 8674^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 86968901 - 2¹⁰ = 86967877 is a prime.

It is a super-2 number, since 2×86968901² = 15127179482295602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86968951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43484450 + 43484451.

It is an arithmetic number, because the mean of its divisors is an integer number (43484451).

Almost surely, 2^86968901 is an apocalyptic number.

It is an amenable number.

86968901 is a deficient number, since it is larger than the sum of its proper divisors (1).

86968901 is an equidigital number, since it uses as much as digits as its factorization.

86968901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 86968901 is about 9325.7118226975. The cubic root of 86968901 is about 443.0519585017.

The spelling of 86968901 in words is "eighty-six million, nine hundred sixty-eight thousand, nine hundred one".