87015876 has 24 divisors (see below), whose sum is σ = 204837024. Its totient is φ = 28748160.

The previous prime is 87015871. The next prime is 87015881. The reversal of 87015876 is 67851078.

It is an interprime number because it is at equal distance from previous prime (87015871) and next prime (87015881).

It is not an unprimeable number, because it can be changed into a prime (87015871) 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, 30730 + ... + 33441.

It is an arithmetic number, because the mean of its divisors is an integer number (8534876).

Almost surely, 2^87015876 is an apocalyptic number.

It is an amenable number.

87015876 is an abundant number, since it is smaller than the sum of its proper divisors (117821148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87015876 is a wasteful number, since it uses less digits than its factorization.

87015876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64291 (or 64289 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 87015876 is about 9328.2300571973. The cubic root of 87015876 is about 443.1317135232.

The spelling of 87015876 in words is "eighty-seven million, fifteen thousand, eight hundred seventy-six".