100999976 has 96 divisors (see below), whose sum is σ = 245008800. Its totient is φ = 38586240.

The previous prime is 100999949. The next prime is 100999979. The reversal of 100999976 is 679999001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100999979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254210 + ... + 254606.

It is an arithmetic number, because the mean of its divisors is an integer number (2552175).

Almost surely, 2^100999976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100999976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122504400).

100999976 is an abundant number, since it is smaller than the sum of its proper divisors (144008824).

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

100999976 is a wasteful number, since it uses less digits than its factorization.

100999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 100999976 is about 10049.8744270762. The cubic root of 100999976 is about 465.7009138932.

The spelling of 100999976 in words is "one hundred million, nine hundred ninety-nine thousand, nine hundred seventy-six".