100587735621 has 12 divisors (see below), whose sum is σ = 145296186048. Its totient is φ = 67057202664.

The previous prime is 100587735601. The next prime is 100587735637. The reversal of 100587735621 is 126537785001.

It is a happy number.

100587735621 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 87 + 7 + 3 + 562 + 1 = 666.

It is not a de Polignac number, because 100587735621 - 2²⁹ = 100050864709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100587735601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737076 + ... + 862818.

It is an arithmetic number, because the mean of its divisors is an integer number (12108015504).

Almost surely, 2^100587735621 is an apocalyptic number.

It is an amenable number.

100587735621 is a deficient number, since it is larger than the sum of its proper divisors (44708450427).

100587735621 is a wasteful number, since it uses less digits than its factorization.

100587735621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214632 (or 214629 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 100587735621 in words is "one hundred billion, five hundred eighty-seven million, seven hundred thirty-five thousand, six hundred twenty-one".