87055763 has 2 divisors, whose sum is σ = 87055764. Its totient is φ = 87055762.

The previous prime is 87055747. The next prime is 87055799. The reversal of 87055763 is 36755078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87055763 - 2⁴ = 87055747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87055763.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43527881 + 43527882.

It is an arithmetic number, because the mean of its divisors is an integer number (43527882).

Almost surely, 2^87055763 is an apocalyptic number.

87055763 is a deficient number, since it is larger than the sum of its proper divisors (1).

87055763 is an equidigital number, since it uses as much as digits as its factorization.

87055763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 87055763 is about 9330.3677848196. The cubic root of 87055763 is about 443.1994118768.

The spelling of 87055763 in words is "eighty-seven million, fifty-five thousand, seven hundred sixty-three".