87059773 has 2 divisors, whose sum is σ = 87059774. Its totient is φ = 87059772.

The previous prime is 87059759. The next prime is 87059783. The reversal of 87059773 is 37795078.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61121124 + 25938649 = 7818^2 + 5093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87059773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87059723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43529886 + 43529887.

It is an arithmetic number, because the mean of its divisors is an integer number (43529887).

Almost surely, 2^87059773 is an apocalyptic number.

It is an amenable number.

87059773 is a deficient number, since it is larger than the sum of its proper divisors (1).

87059773 is an equidigital number, since it uses as much as digits as its factorization.

87059773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 87059773 is about 9330.5826720522. The cubic root of 87059773 is about 443.2062167197.

The spelling of 87059773 in words is "eighty-seven million, fifty-nine thousand, seven hundred seventy-three".