158987583880 has 16 divisors (see below), whose sum is σ = 357722063820. Its totient is φ = 63595033536.

The previous prime is 158987583869. The next prime is 158987583917. The reversal of 158987583880 is 88385789851.

It can be written as a sum of positive squares in 2 ways, for example, as 133375422436 + 25612161444 = 365206^2 + 160038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987344759 + ... + 1987344838.

Almost surely, 2^158987583880 is an apocalyptic number.

158987583880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158987583880 is an abundant number, since it is smaller than the sum of its proper divisors (198734479940).

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

158987583880 is a wasteful number, since it uses less digits than its factorization.

158987583880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974689608 (or 3974689604 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 70.

The spelling of 158987583880 in words is "one hundred fifty-eight billion, nine hundred eighty-seven million, five hundred eighty-three thousand, eight hundred eighty".