107928400645 has 8 divisors (see below), whose sum is σ = 139476702456. Its totient is φ = 79700972736.

The previous prime is 107928400627. The next prime is 107928400709. The reversal of 107928400645 is 546004829701.

It can be written as a sum of positive squares in 4 ways, for example, as 1559144196 + 106369256449 = 39486^2 + 326143^2 .

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 107928400645 - 2¹¹ = 107928398597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107928400595 and 107928400604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830218402 + ... + 830218531.

It is an arithmetic number, because the mean of its divisors is an integer number (17434587807).

Almost surely, 2^107928400645 is an apocalyptic number.

It is an amenable number.

107928400645 is a deficient number, since it is larger than the sum of its proper divisors (31548301811).

107928400645 is a wasteful number, since it uses less digits than its factorization.

107928400645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660436951.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 107928400645 in words is "one hundred seven billion, nine hundred twenty-eight million, four hundred thousand, six hundred forty-five".