87655753 has 2 divisors, whose sum is σ = 87655754. Its totient is φ = 87655752.

The previous prime is 87655747. The next prime is 87655787. The reversal of 87655753 is 35755678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 39589264 = 6933^2 + 6292^2 .

It is a cyclic number.

It is not a de Polignac number, because 87655753 - 2⁹ = 87655241 is a prime.

It is not a weakly prime, because it can be changed into another prime (87655703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43827876 + 43827877.

It is an arithmetic number, because the mean of its divisors is an integer number (43827877).

Almost surely, 2^87655753 is an apocalyptic number.

It is an amenable number.

87655753 is a deficient number, since it is larger than the sum of its proper divisors (1).

87655753 is an equidigital number, since it uses as much as digits as its factorization.

87655753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 46.

The square root of 87655753 is about 9362.4651134196. The cubic root of 87655753 is about 444.2152613231.

The spelling of 87655753 in words is "eighty-seven million, six hundred fifty-five thousand, seven hundred fifty-three".