100878487880 has 32 divisors (see below), whose sum is σ = 226991964600. Its totient is φ = 40348663296.

The previous prime is 100878487873. The next prime is 100878487933. The reversal of 100878487880 is 88784878001.

It can be written as a sum of positive squares in 4 ways, for example, as 43938028996 + 56940458884 = 209614^2 + 238622^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576116 + ... + 730524.

Almost surely, 2^100878487880 is an apocalyptic number.

100878487880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100878487880 is an abundant number, since it is smaller than the sum of its proper divisors (126113476720).

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

100878487880 is a wasteful number, since it uses less digits than its factorization.

100878487880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170753 (or 170749 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 59.

The spelling of 100878487880 in words is "one hundred billion, eight hundred seventy-eight million, four hundred eighty-seven thousand, eight hundred eighty".