107857708447 has 2 divisors, whose sum is σ = 107857708448. Its totient is φ = 107857708446.

The previous prime is 107857708421. The next prime is 107857708477. The reversal of 107857708447 is 744807758701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 107857708447 - 2³¹ = 105710224799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107857708391 and 107857708400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107857708417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53928854223 + 53928854224.

It is an arithmetic number, because the mean of its divisors is an integer number (53928854224).

Almost surely, 2^107857708447 is an apocalyptic number.

107857708447 is a deficient number, since it is larger than the sum of its proper divisors (1).

107857708447 is an equidigital number, since it uses as much as digits as its factorization.

107857708447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12293120, while the sum is 58.

The spelling of 107857708447 in words is "one hundred seven billion, eight hundred fifty-seven million, seven hundred eight thousand, four hundred forty-seven".