100477392378 has 32 divisors (see below), whose sum is σ = 219699006912. Its totient is φ = 30381638400.

The previous prime is 100477392317. The next prime is 100477392383. The reversal of 100477392378 is 873293774001.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100477392378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620751 + ... + 1681602.

It is an arithmetic number, because the mean of its divisors is an integer number (6865593966).

Almost surely, 2^100477392378 is an apocalyptic number.

100477392378 is an abundant number, since it is smaller than the sum of its proper divisors (119221614534).

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

100477392378 is a wasteful number, since it uses less digits than its factorization.

100477392378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302830.

The product of its (nonzero) digits is 1778112, while the sum is 51.

It can be divided in two parts, 1004773923 and 78, that added together give a palindrome (1004774001).

The spelling of 100477392378 in words is "one hundred billion, four hundred seventy-seven million, three hundred ninety-two thousand, three hundred seventy-eight".