86951393 has 2 divisors, whose sum is σ = 86951394. Its totient is φ = 86951392.

The previous prime is 86951351. The next prime is 86951399. The reversal of 86951393 is 39315968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 40806544 = 6793^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 86951393 - 2⁶ = 86951329 is a prime.

It is not a weakly prime, because it can be changed into another prime (86951399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43475696 + 43475697.

It is an arithmetic number, because the mean of its divisors is an integer number (43475697).

Almost surely, 2^86951393 is an apocalyptic number.

It is an amenable number.

86951393 is a deficient number, since it is larger than the sum of its proper divisors (1).

86951393 is an equidigital number, since it uses as much as digits as its factorization.

86951393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 86951393 is about 9324.7730803489. The cubic root of 86951393 is about 443.0222257497.

The spelling of 86951393 in words is "eighty-six million, nine hundred fifty-one thousand, three hundred ninety-three".