100085786 has 8 divisors (see below), whose sum is σ = 155305620. Its totient is φ = 48317248.

The previous prime is 100085759. The next prime is 100085801. The reversal of 100085786 is 687580001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99900025 + 185761 = 9995^2 + 431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862751 + ... + 862866.

Almost surely, 2^100085786 is an apocalyptic number.

100085786 is a deficient number, since it is larger than the sum of its proper divisors (55219834).

100085786 is a wasteful number, since it uses less digits than its factorization.

100085786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725648.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 100085786 is about 10004.2883804896. The cubic root of 100085786 is about 464.2915732053.

The spelling of 100085786 in words is "one hundred million, eighty-five thousand, seven hundred eighty-six".