100085571787 has 8 divisors (see below), whose sum is σ = 107922825360. Its totient is φ = 92505277440.

The previous prime is 100085571769. The next prime is 100085571793. The reversal of 100085571787 is 787175580001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100085571787 - 2⁷ = 100085571659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100085571787.

It is not an unprimeable number, because it can be changed into a prime (100085571737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64238998 + ... + 64240555.

It is an arithmetic number, because the mean of its divisors is an integer number (13490353170).

Almost surely, 2^100085571787 is an apocalyptic number.

100085571787 is a deficient number, since it is larger than the sum of its proper divisors (7837253573).

100085571787 is a wasteful number, since it uses less digits than its factorization.

100085571787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128479613.

The product of its (nonzero) digits is 548800, while the sum is 49.

The spelling of 100085571787 in words is "one hundred billion, eighty-five million, five hundred seventy-one thousand, seven hundred eighty-seven".