7818892316 has 12 divisors (see below), whose sum is σ = 13689107880. Its totient is φ = 3907718640.

The previous prime is 7818892309. The next prime is 7818892321. The reversal of 7818892316 is 6132988187.

It is a super-2 number, since 2×7818892316² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421670 + ... + 439821.

It is an arithmetic number, because the mean of its divisors is an integer number (1140758990).

Almost surely, 2^7818892316 is an apocalyptic number.

It is an amenable number.

7818892316 is a deficient number, since it is larger than the sum of its proper divisors (5870215564).

7818892316 is a wasteful number, since it uses less digits than its factorization.

7818892316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863764 (or 863762 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 7818892316 is about 88424.5006545132. The cubic root of 7818892316 is about 1984.7923497802.

The spelling of 7818892316 in words is "seven billion, eight hundred eighteen million, eight hundred ninety-two thousand, three hundred sixteen".