8780345913 has 16 divisors (see below), whose sum is σ = 12158195456. Its totient is φ = 5632094160.

The previous prime is 8780345881. The next prime is 8780345923. The reversal of 8780345913 is 3195430878.

It is not a de Polignac number, because 8780345913 - 2⁵ = 8780345881 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 93704-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8780345923) by changing a digit.

It is a nontrivial repunit in base 93703.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499303 + ... + 516588.

It is an arithmetic number, because the mean of its divisors is an integer number (759887216).

Almost surely, 2^8780345913 is an apocalyptic number.

It is an amenable number.

8780345913 is a deficient number, since it is larger than the sum of its proper divisors (3377849543).

8780345913 is a wasteful number, since it uses less digits than its factorization.

8780345913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016004.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 8780345913 is about 93703.5000040020. The cubic root of 8780345913 is about 2063.0220758957.

The spelling of 8780345913 in words is "eight billion, seven hundred eighty million, three hundred forty-five thousand, nine hundred thirteen".