87703881 has 8 divisors (see below), whose sum is σ = 117013344. Its totient is φ = 58431840.

The previous prime is 87703873. The next prime is 87703883. The reversal of 87703881 is 18830778.

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

It is not a de Polignac number, because 87703881 - 2³ = 87703873 is a prime.

It is a super-2 number, since 2×87703881² = 15383941484924322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87703883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (14626668).

Almost surely, 2^87703881 is an apocalyptic number.

It is an amenable number.

87703881 is a deficient number, since it is larger than the sum of its proper divisors (29309463).

87703881 is a wasteful number, since it uses less digits than its factorization.

87703881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 87703881 is about 9365.0350239601. The cubic root of 87703881 is about 444.2965462731.

The spelling of 87703881 in words is "eighty-seven million, seven hundred three thousand, eight hundred eighty-one".