100996859 has 4 divisors (see below), whose sum is σ = 101419680. Its totient is φ = 100574040.

The previous prime is 100996823. The next prime is 100996871. The reversal of 100996859 is 958699001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958699001 = 13 ⋅73746077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100996859 is a prime.

It is a super-3 number, since 3×100996859³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100996759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211052 + ... + 211529.

It is an arithmetic number, because the mean of its divisors is an integer number (25354920).

Almost surely, 2^100996859 is an apocalyptic number.

100996859 is a deficient number, since it is larger than the sum of its proper divisors (422821).

100996859 is an equidigital number, since it uses as much as digits as its factorization.

100996859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422820.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 100996859 is about 10049.7193493152. The cubic root of 100996859 is about 465.6961231175.

The spelling of 100996859 in words is "one hundred million, nine hundred ninety-six thousand, eight hundred fifty-nine".