87967963620 has 72 divisors (see below), whose sum is σ = 266879853240. Its totient is φ = 23454282240.

The previous prime is 87967963619. The next prime is 87967963639. The reversal of 87967963620 is 2636976978.

It can be written as a sum of positive squares in 4 ways, for example, as 4084743744 + 83883219876 = 63912^2 + 289626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1162296 + ... + 1235664.

Almost surely, 2^87967963620 is an apocalyptic number.

It is an amenable number.

87967963620 is an abundant number, since it is smaller than the sum of its proper divisors (178911889620).

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

87967963620 is a wasteful number, since it uses less digits than its factorization.

87967963620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80045 (or 80040 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 87967963620 in words is "eighty-seven billion, nine hundred sixty-seven million, nine hundred sixty-three thousand, six hundred twenty".