87360761 has 2 divisors, whose sum is σ = 87360762. Its totient is φ = 87360760.

The previous prime is 87360719. The next prime is 87360799. The reversal of 87360761 is 16706378.

It is an a-pointer prime, because the next prime (87360799) can be obtained adding 87360761 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59598400 + 27762361 = 7720^2 + 5269^2 .

It is a cyclic number.

It is not a de Polignac number, because 87360761 - 2¹⁰ = 87359737 is a prime.

It is not a weakly prime, because it can be changed into another prime (87360701) by changing a digit.

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, 43680380 + 43680381.

It is an arithmetic number, because the mean of its divisors is an integer number (43680381).

Almost surely, 2^87360761 is an apocalyptic number.

It is an amenable number.

87360761 is a deficient number, since it is larger than the sum of its proper divisors (1).

87360761 is an equidigital number, since it uses as much as digits as its factorization.

87360761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 87360761 is about 9346.6978660915. The cubic root of 87360761 is about 443.7163884877.

The spelling of 87360761 in words is "eighty-seven million, three hundred sixty thousand, seven hundred sixty-one".