100555608087 has 32 divisors (see below), whose sum is σ = 166477893120. Its totient is φ = 59456376000.

The previous prime is 100555608061. The next prime is 100555608137. The reversal of 100555608087 is 780806555001.

100555608087 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 5 + 560 + 8 + 0 + 87 = 666.

It is not a de Polignac number, because 100555608087 - 2¹⁹ = 100555083799 is a prime.

It is a super-2 number, since 2×100555608087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555608047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4116739 + ... + 4141092.

It is an arithmetic number, because the mean of its divisors is an integer number (5202434160).

Almost surely, 2^100555608087 is an apocalyptic number.

100555608087 is a deficient number, since it is larger than the sum of its proper divisors (65922285033).

100555608087 is a wasteful number, since it uses less digits than its factorization.

100555608087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257892 (or 8257886 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The spelling of 100555608087 in words is "one hundred billion, five hundred fifty-five million, six hundred eight thousand, eighty-seven".