103994586978 has 16 divisors (see below), whose sum is σ = 208645295040. Its totient is φ = 34555508816.

The previous prime is 103994586961. The next prime is 103994586991. The reversal of 103994586978 is 879685499301.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27336318 + ... + 27340121.

It is an arithmetic number, because the mean of its divisors is an integer number (13040330940).

Almost surely, 2^103994586978 is an apocalyptic number.

103994586978 is an abundant number, since it is smaller than the sum of its proper divisors (104650708062).

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

103994586978 is a wasteful number, since it uses less digits than its factorization.

103994586978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54676761.

The product of its (nonzero) digits is 117573120, while the sum is 69.

The spelling of 103994586978 in words is "one hundred three billion, nine hundred ninety-four million, five hundred eighty-six thousand, nine hundred seventy-eight".