87157753 has 2 divisors, whose sum is σ = 87157754. Its totient is φ = 87157752.

The previous prime is 87157739. The next prime is 87157859. The reversal of 87157753 is 35775178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 32353344 = 7403^2 + 5688^2 .

It is a cyclic number.

It is not a de Polignac number, because 87157753 - 2²⁵ = 53603321 is a prime.

It is not a weakly prime, because it can be changed into another prime (87157703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43578876 + 43578877.

It is an arithmetic number, because the mean of its divisors is an integer number (43578877).

Almost surely, 2^87157753 is an apocalyptic number.

It is an amenable number.

87157753 is a deficient number, since it is larger than the sum of its proper divisors (1).

87157753 is an equidigital number, since it uses as much as digits as its factorization.

87157753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205800, while the sum is 43.

The square root of 87157753 is about 9335.8316715759. The cubic root of 87157753 is about 443.3724207847.

The spelling of 87157753 in words is "eighty-seven million, one hundred fifty-seven thousand, seven hundred fifty-three".