158877805500 has 216 divisors, whose sum is σ = 517910112720. Its totient is φ = 40999608000.

The previous prime is 158877805481. The next prime is 158877805519. The reversal of 158877805500 is 5508778851.

158877805500 is a `hidden beast` number, since 1 + 5 + 8 + 8 + 7 + 7 + 80 + 550 + 0 = 666.

158877805500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158877805481) and next prime (158877805519).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4306131 + ... + 4342869.

Almost surely, 2^158877805500 is an apocalyptic number.

158877805500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158877805500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258955056360).

158877805500 is an abundant number, since it is smaller than the sum of its proper divisors (359032307220).

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

158877805500 is a wasteful number, since it uses less digits than its factorization.

158877805500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826 (or 36780 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 54.

The spelling of 158877805500 in words is "one hundred fifty-eight billion, eight hundred seventy-seven million, eight hundred five thousand, five hundred".