100005880 has 32 divisors (see below), whose sum is σ = 242323200. Its totient is φ = 36925056.

The previous prime is 100005877. The next prime is 100005889. The reversal of 100005880 is 88500001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95640 + ... + 96679.

It is an arithmetic number, because the mean of its divisors is an integer number (7572600).

Almost surely, 2^100005880 is an apocalyptic number.

100005880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100005880 is an abundant number, since it is smaller than the sum of its proper divisors (142317320).

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

100005880 is a wasteful number, since it uses less digits than its factorization.

100005880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192343 (or 192339 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 100005880 is about 10000.2939956783. The cubic root of 100005880 is about 464.1679806971.

Adding to 100005880 its reverse (88500001), we get a palindrome (188505881).

The spelling of 100005880 in words is "one hundred million, five thousand, eight hundred eighty".