100780700 has 18 divisors (see below), whose sum is σ = 218694336. Its totient is φ = 40312240.

The previous prime is 100780697. The next prime is 100780727. The reversal of 100780700 is 7087001.

It is a super-3 number, since 3×100780700³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503804 + ... + 504003.

Almost surely, 2^100780700 is an apocalyptic number.

100780700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100780700 is an abundant number, since it is smaller than the sum of its proper divisors (117913636).

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

100780700 is a wasteful number, since it uses less digits than its factorization.

100780700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007821 (or 1007814 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 100780700 is about 10038.9591093898. The cubic root of 100780700 is about 465.3636497099.

The spelling of 100780700 in words is "one hundred million, seven hundred eighty thousand, seven hundred".