104445728477 has 8 divisors (see below), whose sum is σ = 112402540152. Its totient is φ = 96690355200.

The previous prime is 104445728473. The next prime is 104445728509. The reversal of 104445728477 is 774827544401.

It can be written as a sum of positive squares in 4 ways, for example, as 1084121476 + 103361607001 = 32926^2 + 321499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104445728477 - 2² = 104445728473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104445728473) 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, 50358524 + ... + 50360597.

It is an arithmetic number, because the mean of its divisors is an integer number (14050317519).

Almost surely, 2^104445728477 is an apocalyptic number.

104445728477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

104445728477 is a deficient number, since it is larger than the sum of its proper divisors (7956811675).

104445728477 is a wasteful number, since it uses less digits than its factorization.

104445728477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100719199.

The product of its (nonzero) digits is 7024640, while the sum is 53.

The spelling of 104445728477 in words is "one hundred four billion, four hundred forty-five million, seven hundred twenty-eight thousand, four hundred seventy-seven".