104728397816 has 16 divisors (see below), whose sum is σ = 224417995440. Its totient is φ = 44883599040.

The previous prime is 104728397771. The next prime is 104728397821. The reversal of 104728397816 is 618793827401.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1870149961 = 104728397816 / (1 + 0 + 4 + 7 + 2 + 8 + 3 + 9 + 7 + 8 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935074925 + ... + 935075036.

It is an arithmetic number, because the mean of its divisors is an integer number (14026124715).

Almost surely, 2^104728397816 is an apocalyptic number.

It is an amenable number.

104728397816 is an abundant number, since it is smaller than the sum of its proper divisors (119689597624).

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

104728397816 is a wasteful number, since it uses less digits than its factorization.

104728397816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870149974 (or 1870149970 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 104728397816 in words is "one hundred four billion, seven hundred twenty-eight million, three hundred ninety-seven thousand, eight hundred sixteen".