86908933 has 2 divisors, whose sum is σ = 86908934. Its totient is φ = 86908932.

The previous prime is 86908901. The next prime is 86908961. The reversal of 86908933 is 33980968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67354849 + 19554084 = 8207^2 + 4422^2 .

It is a cyclic number.

It is not a de Polignac number, because 86908933 - 2⁵ = 86908901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86908963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43454466 + 43454467.

It is an arithmetic number, because the mean of its divisors is an integer number (43454467).

Almost surely, 2^86908933 is an apocalyptic number.

It is an amenable number.

86908933 is a deficient number, since it is larger than the sum of its proper divisors (1).

86908933 is an equidigital number, since it uses as much as digits as its factorization.

86908933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 86908933 is about 9322.4960713320. The cubic root of 86908933 is about 442.9501019813.

The spelling of 86908933 in words is "eighty-six million, nine hundred eight thousand, nine hundred thirty-three".