86633413 has 2 divisors, whose sum is σ = 86633414. Its totient is φ = 86633412.

The previous prime is 86633399. The next prime is 86633423. The reversal of 86633413 is 31433668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85340644 + 1292769 = 9238^2 + 1137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86633413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86633423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43316706 + 43316707.

It is an arithmetic number, because the mean of its divisors is an integer number (43316707).

Almost surely, 2^86633413 is an apocalyptic number.

It is an amenable number.

86633413 is a deficient number, since it is larger than the sum of its proper divisors (1).

86633413 is an equidigital number, since it uses as much as digits as its factorization.

86633413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 86633413 is about 9307.7071827599. The cubic root of 86633413 is about 442.4815241203.

The spelling of 86633413 in words is "eighty-six million, six hundred thirty-three thousand, four hundred thirteen".