87911996 has 12 divisors (see below), whose sum is σ = 157119648. Its totient is φ = 43020672.

The previous prime is 87911983. The next prime is 87912007. The reversal of 87911996 is 69911978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233621 + ... + 233996.

It is an arithmetic number, because the mean of its divisors is an integer number (13093304).

Almost surely, 2^87911996 is an apocalyptic number.

It is an amenable number.

87911996 is a deficient number, since it is larger than the sum of its proper divisors (69207652).

87911996 is a wasteful number, since it uses less digits than its factorization.

87911996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467668 (or 467666 counting only the distinct ones).

The product of its digits is 244944, while the sum is 50.

The square root of 87911996 is about 9376.1397173890. The cubic root of 87911996 is about 444.6476965814.

The spelling of 87911996 in words is "eighty-seven million, nine hundred eleven thousand, nine hundred ninety-six".