100863854979 has 8 divisors (see below), whose sum is σ = 134488705872. Its totient is φ = 67240787040.

The previous prime is 100863854969. The next prime is 100863854981. The reversal of 100863854979 is 979458368001.

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

It is not a de Polignac number, because 100863854979 - 2¹¹ = 100863852931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100863854969) 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, 307624 + ... + 544389.

It is an arithmetic number, because the mean of its divisors is an integer number (16811088234).

Almost surely, 2^100863854979 is an apocalyptic number.

100863854979 is a deficient number, since it is larger than the sum of its proper divisors (33624850893).

100863854979 is an equidigital number, since it uses as much as digits as its factorization.

100863854979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891477.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 100863854979 in words is "one hundred billion, eight hundred sixty-three million, eight hundred fifty-four thousand, nine hundred seventy-nine".