100878264 has 64 divisors (see below), whose sum is σ = 282765600. Its totient is φ = 33320448.

The previous prime is 100878263. The next prime is 100878293. The reversal of 100878264 is 462878001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100878263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22342 + ... + 26474.

Almost surely, 2^100878264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100878264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141382800).

100878264 is an abundant number, since it is smaller than the sum of its proper divisors (181887336).

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

100878264 is a wasteful number, since it uses less digits than its factorization.

100878264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 100878264 is about 10043.8172026377. The cubic root of 100878264 is about 465.5137713628.

The spelling of 100878264 in words is "one hundred million, eight hundred seventy-eight thousand, two hundred sixty-four".