87654339612 has 72 divisors (see below), whose sum is σ = 264233389056. Its totient is φ = 23955221664.

The previous prime is 87654339593. The next prime is 87654339613. The reversal of 87654339612 is 21693345678.

87654339612 is a `hidden beast` number, since 8 + 7 + 6 + 543 + 3 + 96 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87654339613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7555828 + ... + 7567419.

Almost surely, 2^87654339612 is an apocalyptic number.

It is an amenable number.

87654339612 is an abundant number, since it is smaller than the sum of its proper divisors (176579049444).

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

87654339612 is a wasteful number, since it uses less digits than its factorization.

87654339612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123287 (or 15123282 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 87654339612 in words is "eighty-seven billion, six hundred fifty-four million, three hundred thirty-nine thousand, six hundred twelve".