100887650 has 12 divisors (see below), whose sum is σ = 187651122. Its totient is φ = 40355040.

The previous prime is 100887629. The next prime is 100887659. The reversal of 100887650 is 56788001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 89510521 + 11377129 = 9461^2 + 3373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100887650.

It is not an unprimeable number, because it can be changed into a prime (100887659) by changing a digit.

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, 1008827 + ... + 1008926.

Almost surely, 2^100887650 is an apocalyptic number.

100887650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100887650 is a deficient number, since it is larger than the sum of its proper divisors (86763472).

100887650 is a wasteful number, since it uses less digits than its factorization.

100887650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017765 (or 2017760 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 100887650 is about 10044.2844443992. The cubic root of 100887650 is about 465.5282084892.

The spelling of 100887650 in words is "one hundred million, eight hundred eighty-seven thousand, six hundred fifty".