87708761 has 8 divisors (see below), whose sum is σ = 100530240. Its totient is φ = 74960208.

The previous prime is 87708743. The next prime is 87708767. The reversal of 87708761 is 16780778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87708761 - 2¹⁴ = 87692377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87708767) 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 in 7 ways as a sum of consecutive naturals, for example, 15626 + ... + 20483.

It is an arithmetic number, because the mean of its divisors is an integer number (12566280).

Almost surely, 2^87708761 is an apocalyptic number.

It is an amenable number.

87708761 is a deficient number, since it is larger than the sum of its proper divisors (12821479).

87708761 is a wasteful number, since it uses less digits than its factorization.

87708761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36463.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 87708761 is about 9365.2955639424. The cubic root of 87708761 is about 444.3047866037.

The spelling of 87708761 in words is "eighty-seven million, seven hundred eight thousand, seven hundred sixty-one".