86038913 has 2 divisors, whose sum is σ = 86038914. Its totient is φ = 86038912.

The previous prime is 86038907. The next prime is 86038937. The reversal of 86038913 is 31983068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 18601969 = 8212^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 86038913 - 2¹⁴ = 86022529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86038943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43019456 + 43019457.

It is an arithmetic number, because the mean of its divisors is an integer number (43019457).

Almost surely, 2^86038913 is an apocalyptic number.

It is an amenable number.

86038913 is a deficient number, since it is larger than the sum of its proper divisors (1).

86038913 is an equidigital number, since it uses as much as digits as its factorization.

86038913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 86038913 is about 9275.7163065717. The cubic root of 86038913 is about 441.4670606921.

The spelling of 86038913 in words is "eighty-six million, thirty-eight thousand, nine hundred thirteen".