103902812217978 has 16 divisors (see below), whose sum is σ = 208514858652576. Its totient is φ = 34516065036560.

The previous prime is 103902812217977. The next prime is 103902812217989. The reversal of 103902812217978 is 879712218209301.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (103902812217977) 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, 29551423788 + ... + 29551427303.

It is an arithmetic number, because the mean of its divisors is an integer number (13032178665786).

Almost surely, 2^{103902812217978} is an apocalyptic number.

103902812217978 is an abundant number, since it is smaller than the sum of its proper divisors (104612046434598).

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

103902812217978 is a wasteful number, since it uses less digits than its factorization.

103902812217978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59102851389.

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 103902812217978 in words is "one hundred three trillion, nine hundred two billion, eight hundred twelve million, two hundred seventeen thousand, nine hundred seventy-eight".