87415327885 has 16 divisors (see below), whose sum is σ = 106568242416. Its totient is φ = 68823226368.

The previous prime is 87415327841. The next prime is 87415327933. The reversal of 87415327885 is 58872351478.

It can be written as a sum of positive squares in 8 ways, for example, as 3257898084 + 84157429801 = 57078^2 + 290099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87415327885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95224 + ... + 428833.

It is an arithmetic number, because the mean of its divisors is an integer number (6660515151).

Almost surely, 2^87415327885 is an apocalyptic number.

It is an amenable number.

87415327885 is a deficient number, since it is larger than the sum of its proper divisors (19152914531).

87415327885 is a wasteful number, since it uses less digits than its factorization.

87415327885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524592.

The product of its digits is 15052800, while the sum is 58.

The spelling of 87415327885 in words is "eighty-seven billion, four hundred fifteen million, three hundred twenty-seven thousand, eight hundred eighty-five".