87133939608 has 32 divisors (see below), whose sum is σ = 218044569600. Its totient is φ = 29016683808.

The previous prime is 87133939591. The next prime is 87133939649. The reversal of 87133939608 is 80693933178.

It is a super-2 number, since 2×87133939608² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1722216 + ... + 1772087.

It is an arithmetic number, because the mean of its divisors is an integer number (6813892800).

Almost surely, 2^87133939608 is an apocalyptic number.

It is an amenable number.

87133939608 is an abundant number, since it is smaller than the sum of its proper divisors (130910629992).

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

87133939608 is a wasteful number, since it uses less digits than its factorization.

87133939608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495351 (or 3495347 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 87133939608 in words is "eighty-seven billion, one hundred thirty-three million, nine hundred thirty-nine thousand, six hundred eight".