100976978379 has 4 divisors (see below), whose sum is σ = 134635971176. Its totient is φ = 67317985584.

The previous prime is 100976978353. The next prime is 100976978393. The reversal of 100976978379 is 973879679001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100976978379 - 2⁹ = 100976977867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100976978279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16829496394 + ... + 16829496399.

It is an arithmetic number, because the mean of its divisors is an integer number (33658992794).

Almost surely, 2^100976978379 is an apocalyptic number.

100976978379 is a deficient number, since it is larger than the sum of its proper divisors (33658992797).

100976978379 is an equidigital number, since it uses as much as digits as its factorization.

100976978379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33658992796.

The product of its (nonzero) digits is 36006768, while the sum is 66.

The spelling of 100976978379 in words is "one hundred billion, nine hundred seventy-six million, nine hundred seventy-eight thousand, three hundred seventy-nine".