100378799 has 8 divisors (see below), whose sum is σ = 101206560. Its totient is φ = 99554400.

The previous prime is 100378771. The next prime is 100378807. The reversal of 100378799 is 997873001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100378799 - 2⁸ = 100378543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100378709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119222 + ... + 120060.

It is an arithmetic number, because the mean of its divisors is an integer number (12650820).

Almost surely, 2^100378799 is an apocalyptic number.

100378799 is a deficient number, since it is larger than the sum of its proper divisors (827761).

100378799 is an equidigital number, since it uses as much as digits as its factorization.

100378799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 100378799 is about 10018.9220478053. The cubic root of 100378799 is about 464.7442213004.

The spelling of 100378799 in words is "one hundred million, three hundred seventy-eight thousand, seven hundred ninety-nine".