7820303312 has 20 divisors (see below), whose sum is σ = 15285928260. Its totient is φ = 3875547648.

The previous prime is 7820303303. The next prime is 7820303321. The reversal of 7820303312 is 2133030287.

It is an interprime number because it is at equal distance from previous prime (7820303303) and next prime (7820303321).

It can be written as a sum of positive squares in 2 ways, for example, as 3564567616 + 4255735696 = 59704^2 + 65236^2 .

It is a super-2 number, since 2×7820303312² (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, 2160887 + ... + 2164502.

It is an arithmetic number, because the mean of its divisors is an integer number (764296413).

Almost surely, 2^7820303312 is an apocalyptic number.

It is an amenable number.

7820303312 is a deficient number, since it is larger than the sum of its proper divisors (7465624948).

7820303312 is a wasteful number, since it uses less digits than its factorization.

7820303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325510 (or 4325504 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7820303312 is about 88432.4788298960. The cubic root of 7820303312 is about 1984.9117343643.

Adding to 7820303312 its reverse (2133030287), we get a palindrome (9953333599).

The spelling of 7820303312 in words is "seven billion, eight hundred twenty million, three hundred three thousand, three hundred twelve".