916780613 has 16 divisors (see below), whose sum is σ = 1065000960. Its totient is φ = 772926000.

The previous prime is 916780603. The next prime is 916780679. The reversal of 916780613 is 316087619.

It is not a de Polignac number, because 916780613 - 2⁶ = 916780549 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 (916780603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236138 + ... + 239988.

It is an arithmetic number, because the mean of its divisors is an integer number (66562560).

Almost surely, 2^916780613 is an apocalyptic number.

It is an amenable number.

916780613 is a deficient number, since it is larger than the sum of its proper divisors (148220347).

916780613 is a wasteful number, since it uses less digits than its factorization.

916780613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 916780613 is about 30278.3852442629. The cubic root of 916780613 is about 971.4530293922.

The spelling of 916780613 in words is "nine hundred sixteen million, seven hundred eighty thousand, six hundred thirteen".