100786869 has 16 divisors (see below), whose sum is σ = 149644800. Its totient is φ = 67042368.

The previous prime is 100786841. The next prime is 100786877. The reversal of 100786869 is 968687001.

It is a happy number.

It is not a de Polignac number, because 100786869 - 2⁵ = 100786837 is a prime.

It is a super-2 number, since 2×100786869² = 20315985925646322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100786769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9037 + ... + 16829.

It is an arithmetic number, because the mean of its divisors is an integer number (9352800).

Almost surely, 2^100786869 is an apocalyptic number.

It is an amenable number.

100786869 is a deficient number, since it is larger than the sum of its proper divisors (48857931).

100786869 is an equidigital number, since it uses as much as digits as its factorization.

100786869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281 (or 8275 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 100786869 is about 10039.2663576578. The cubic root of 100786869 is about 465.3731448142.

The spelling of 100786869 in words is "one hundred million, seven hundred eighty-six thousand, eight hundred sixty-nine".