107720780717 has 4 divisors (see below), whose sum is σ = 117513578976. Its totient is φ = 97927982460.

The previous prime is 107720780701. The next prime is 107720780719. The reversal of 107720780717 is 717087027701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 107720780717 - 2⁴ = 107720780701 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 (107720780719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4896399113 + ... + 4896399134.

It is an arithmetic number, because the mean of its divisors is an integer number (29378394744).

Almost surely, 2^107720780717 is an apocalyptic number.

It is an amenable number.

107720780717 is a deficient number, since it is larger than the sum of its proper divisors (9792798259).

107720780717 is an equidigital number, since it uses as much as digits as its factorization.

107720780717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792798258.

The product of its (nonzero) digits is 268912, while the sum is 47.

The spelling of 107720780717 in words is "one hundred seven billion, seven hundred twenty million, seven hundred eighty thousand, seven hundred seventeen".