100378633 has 4 divisors (see below), whose sum is σ = 100478160. Its totient is φ = 100279108.

The previous prime is 100378631. The next prime is 100378637. The reversal of 100378633 is 336873001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100378633 - 2¹ = 100378631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100378595 and 100378604.

It is not an unprimeable number, because it can be changed into a prime (100378631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48235 + ... + 50272.

It is an arithmetic number, because the mean of its divisors is an integer number (25119540).

Almost surely, 2^100378633 is an apocalyptic number.

It is an amenable number.

100378633 is a deficient number, since it is larger than the sum of its proper divisors (99527).

100378633 is an equidigital number, since it uses as much as digits as its factorization.

100378633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99526.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 100378633 is about 10018.9137634776. The cubic root of 100378633 is about 464.7439651122.

The spelling of 100378633 in words is "one hundred million, three hundred seventy-eight thousand, six hundred thirty-three".