87465593 has 2 divisors, whose sum is σ = 87465594. Its totient is φ = 87465592.

The previous prime is 87465589. The next prime is 87465667. The reversal of 87465593 is 39556478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46607929 + 40857664 = 6827^2 + 6392^2 .

It is a cyclic number.

It is not a de Polignac number, because 87465593 - 2² = 87465589 is a prime.

It is not a weakly prime, because it can be changed into another prime (87465523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43732796 + 43732797.

It is an arithmetic number, because the mean of its divisors is an integer number (43732797).

Almost surely, 2^87465593 is an apocalyptic number.

It is an amenable number.

87465593 is a deficient number, since it is larger than the sum of its proper divisors (1).

87465593 is an equidigital number, since it uses as much as digits as its factorization.

87465593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 87465593 is about 9352.3041545921. The cubic root of 87465593 is about 443.8938025509.

The spelling of 87465593 in words is "eighty-seven million, four hundred sixty-five thousand, five hundred ninety-three".