87881502 has 8 divisors (see below), whose sum is σ = 175763016. Its totient is φ = 29293832.

The previous prime is 87881501. The next prime is 87881509. The reversal of 87881502 is 20518878.

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

87881502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87881501) 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 3 ways as a sum of consecutive naturals, for example, 7323453 + ... + 7323464.

It is an arithmetic number, because the mean of its divisors is an integer number (21970377).

Almost surely, 2^87881502 is an apocalyptic number.

87881502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87881502 is a wasteful number, since it uses less digits than its factorization.

87881502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646922.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 87881502 is about 9374.5134273732. The cubic root of 87881502 is about 444.5962790445.

The spelling of 87881502 in words is "eighty-seven million, eight hundred eighty-one thousand, five hundred two".