100288870 has 64 divisors (see below), whose sum is σ = 207531072. Its totient is φ = 34560000.

The previous prime is 100288861. The next prime is 100288871. The reversal of 100288870 is 78882001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100288871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166570 + ... + 167170.

It is an arithmetic number, because the mean of its divisors is an integer number (3242673).

Almost surely, 2^100288870 is an apocalyptic number.

100288870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100288870 is an abundant number, since it is smaller than the sum of its proper divisors (107242202).

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

100288870 is a wasteful number, since it uses less digits than its factorization.

100288870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 100288870 is about 10014.4330843039. The cubic root of 100288870 is about 464.6053922822.

The spelling of 100288870 in words is "one hundred million, two hundred eighty-eight thousand, eight hundred seventy".