87363761 has 2 divisors, whose sum is σ = 87363762. Its totient is φ = 87363760.

The previous prime is 87363751. The next prime is 87363791. The reversal of 87363761 is 16736378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79834225 + 7529536 = 8935^2 + 2744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87363761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87363701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43681880 + 43681881.

It is an arithmetic number, because the mean of its divisors is an integer number (43681881).

Almost surely, 2^87363761 is an apocalyptic number.

It is an amenable number.

87363761 is a deficient number, since it is larger than the sum of its proper divisors (1).

87363761 is an equidigital number, since it uses as much as digits as its factorization.

87363761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 87363761 is about 9346.8583491995. The cubic root of 87363761 is about 443.7214675564.

The spelling of 87363761 in words is "eighty-seven million, three hundred sixty-three thousand, seven hundred sixty-one".