7774313313 has 32 divisors (see below), whose sum is σ = 11230492672. Its totient is φ = 4755412800.

The previous prime is 7774313311. The next prime is 7774313347. The reversal of 7774313313 is 3133134777.

It is not a de Polignac number, because 7774313313 - 2¹ = 7774313311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7774313311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8571006 + ... + 8571912.

It is an arithmetic number, because the mean of its divisors is an integer number (350952896).

Almost surely, 2^7774313313 is an apocalyptic number.

It is an amenable number.

7774313313 is a deficient number, since it is larger than the sum of its proper divisors (3456179359).

7774313313 is a wasteful number, since it uses less digits than its factorization.

7774313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005.

The product of its digits is 111132, while the sum is 39.

The square root of 7774313313 is about 88172.0665120196. The cubic root of 7774313313 is about 1981.0130952089.

The spelling of 7774313313 in words is "seven billion, seven hundred seventy-four million, three hundred thirteen thousand, three hundred thirteen".