100878512000 has 128 divisors (see below), whose sum is σ = 286639404480. Its totient is φ = 34586880000.

The previous prime is 100878511969. The next prime is 100878512017. The reversal of 100878512000 is 215878001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338351 + ... + 562350.

Almost surely, 2^100878512000 is an apocalyptic number.

100878512000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100878512000 is an abundant number, since it is smaller than the sum of its proper divisors (185760892480).

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

100878512000 is an frugal number, since it uses more digits than its factorization.

100878512000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900737 (or 900715 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The spelling of 100878512000 in words is "one hundred billion, eight hundred seventy-eight million, five hundred twelve thousand".