7868487332 has 54 divisors (see below), whose sum is σ = 15108874326. Its totient is φ = 3573045120.

The previous prime is 7868487331. The next prime is 7868487353. The reversal of 7868487332 is 2337848687.

It can be written as a sum of positive squares in only one way, i.e., 7405635136 + 462852196 = 86056^2 + 21514^2 .

It is not an unprimeable number, because it can be changed into a prime (7868487331) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22675583 + ... + 22675929.

It is an arithmetic number, because the mean of its divisors is an integer number (279793969).

Almost surely, 2^7868487332 is an apocalyptic number.

It is an amenable number.

7868487332 is a deficient number, since it is larger than the sum of its proper divisors (7240386994).

7868487332 is a wasteful number, since it uses less digits than its factorization.

7868487332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 397 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The square root of 7868487332 is about 88704.4944295383. The cubic root of 7868487332 is about 1988.9800023486.

The spelling of 7868487332 in words is "seven billion, eight hundred sixty-eight million, four hundred eighty-seven thousand, three hundred thirty-two".