87803881 has 8 divisors (see below), whose sum is σ = 97593984. Its totient is φ = 78315120.

The previous prime is 87803869. The next prime is 87803897. The reversal of 87803881 is 18830878.

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 87803881 - 2⁷ = 87803753 is a prime.

It is a super-2 number, since 2×87803881² = 15419043037324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87803831) 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 7 ways as a sum of consecutive naturals, for example, 74721 + ... + 75886.

It is an arithmetic number, because the mean of its divisors is an integer number (12199248).

Almost surely, 2^87803881 is an apocalyptic number.

It is an amenable number.

87803881 is a deficient number, since it is larger than the sum of its proper divisors (9790103).

87803881 is a wasteful number, since it uses less digits than its factorization.

87803881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150671.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 87803881 is about 9370.3725112719. The cubic root of 87803881 is about 444.4653445010.

The spelling of 87803881 in words is "eighty-seven million, eight hundred three thousand, eight hundred eighty-one".