87760287 has 16 divisors (see below), whose sum is σ = 134210560. Its totient is φ = 56619000.

The previous prime is 87760271. The next prime is 87760303. The reversal of 87760287 is 78206778.

It is an interprime number because it is at equal distance from previous prime (87760271) and next prime (87760303).

It is not a de Polignac number, because 87760287 - 2⁴ = 87760271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87760087) 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 in 15 ways as a sum of consecutive naturals, for example, 51589 + ... + 53262.

It is an arithmetic number, because the mean of its divisors is an integer number (8388160).

Almost surely, 2^87760287 is an apocalyptic number.

87760287 is a deficient number, since it is larger than the sum of its proper divisors (46450273).

87760287 is a wasteful number, since it uses less digits than its factorization.

87760287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104891 (or 104885 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 87760287 is about 9368.0460609457. The cubic root of 87760287 is about 444.3917743672.

The spelling of 87760287 in words is "eighty-seven million, seven hundred sixty thousand, two hundred eighty-seven".