87881650305368 has 32 divisors (see below), whose sum is σ = 173451120768000. Its totient is φ = 41628031305120.

The previous prime is 87881650305221. The next prime is 87881650305403. The reversal of 87881650305368 is 86350305618878.

It is a happy number.

It is a super-3 number, since 3×87881650305368³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87881650305298 and 87881650305307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76107773 + ... + 77253843.

It is an arithmetic number, because the mean of its divisors is an integer number (5420347524000).

Almost surely, 2^{87881650305368} is an apocalyptic number.

It is an amenable number.

87881650305368 is a deficient number, since it is larger than the sum of its proper divisors (85569470462632).

87881650305368 is a wasteful number, since it uses less digits than its factorization.

87881650305368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650575 (or 1650571 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 87881650305368 in words is "eighty-seven trillion, eight hundred eighty-one billion, six hundred fifty million, three hundred five thousand, three hundred sixty-eight".