86625733 has 2 divisors, whose sum is σ = 86625734. Its totient is φ = 86625732.

The previous prime is 86625701. The next prime is 86625757. The reversal of 86625733 is 33752668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51365889 + 35259844 = 7167^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 86625733 - 2⁵ = 86625701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86625533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43312866 + 43312867.

It is an arithmetic number, because the mean of its divisors is an integer number (43312867).

Almost surely, 2^86625733 is an apocalyptic number.

It is an amenable number.

86625733 is a deficient number, since it is larger than the sum of its proper divisors (1).

86625733 is an equidigital number, since it uses as much as digits as its factorization.

86625733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 86625733 is about 9307.2946122920. The cubic root of 86625733 is about 442.4684484935.

The spelling of 86625733 in words is "eighty-six million, six hundred twenty-five thousand, seven hundred thirty-three".