101857385484 has 72 divisors (see below), whose sum is σ = 258583153920. Its totient is φ = 33806354400.

The previous prime is 101857385449. The next prime is 101857385489. The reversal of 101857385484 is 484583758101.

101857385484 is a `hidden beast` number, since 1 + 0 + 1 + 85 + 7 + 3 + 85 + 484 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 101857385484.

It is not an unprimeable number, because it can be changed into a prime (101857385489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8603449 + ... + 8615279.

Almost surely, 2^101857385484 is an apocalyptic number.

It is an amenable number.

101857385484 is an abundant number, since it is smaller than the sum of its proper divisors (156725768436).

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

101857385484 is a wasteful number, since it uses less digits than its factorization.

101857385484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851 (or 12846 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 101857385484 in words is "one hundred one billion, eight hundred fifty-seven million, three hundred eighty-five thousand, four hundred eighty-four".