100789700 has 72 divisors (see below), whose sum is σ = 242796960. Its totient is φ = 36006400.

The previous prime is 100789691. The next prime is 100789747. The reversal of 100789700 is 7987001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64124 + ... + 65676.

It is an arithmetic number, because the mean of its divisors is an integer number (3372180).

Almost surely, 2^100789700 is an apocalyptic number.

100789700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100789700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121398480).

100789700 is an abundant number, since it is smaller than the sum of its proper divisors (142007260).

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

100789700 is a wasteful number, since it uses less digits than its factorization.

100789700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 100789700 is about 10039.4073530264. The cubic root of 100789700 is about 465.3775020585.

The spelling of 100789700 in words is "one hundred million, seven hundred eighty-nine thousand, seven hundred".