7812883332 has 18 divisors (see below), whose sum is σ = 19749232958. Its totient is φ = 2604294432.

The previous prime is 7812883321. The next prime is 7812883369. The reversal of 7812883332 is 2333882187.

It can be written as a sum of positive squares in only one way, i.e., 4133975616 + 3678907716 = 64296^2 + 60654^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7812883332² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108512233 + ... + 108512304.

Almost surely, 2^7812883332 is an apocalyptic number.

It is an amenable number.

7812883332 is an abundant number, since it is smaller than the sum of its proper divisors (11936349626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7812883332 is a wasteful number, since it uses less digits than its factorization.

7812883332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217024547 (or 217024542 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 7812883332 is about 88390.5160749727. The cubic root of 7812883332 is about 1984.2837678492.

The spelling of 7812883332 in words is "seven billion, eight hundred twelve million, eight hundred eighty-three thousand, three hundred thirty-two".