87987196 has 48 divisors (see below), whose sum is σ = 173279232. Its totient is φ = 38750400.

The previous prime is 87987181. The next prime is 87987197. The reversal of 87987196 is 69178978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87987197) 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 15 ways as a sum of consecutive naturals, for example, 324541 + ... + 324811.

It is an arithmetic number, because the mean of its divisors is an integer number (3609984).

Almost surely, 2^87987196 is an apocalyptic number.

It is an amenable number.

87987196 is a deficient number, since it is larger than the sum of its proper divisors (85292036).

87987196 is a wasteful number, since it uses less digits than its factorization.

87987196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 55.

The square root of 87987196 is about 9380.1490393277. The cubic root of 87987196 is about 444.7744444606.

The spelling of 87987196 in words is "eighty-seven million, nine hundred eighty-seven thousand, one hundred ninety-six".