7640286884 has 24 divisors (see below), whose sum is σ = 13458529728. Its totient is φ = 3795028640.

The previous prime is 7640286883. The next prime is 7640286889. The reversal of 7640286884 is 4886820467.

It is not an unprimeable number, because it can be changed into a prime (7640286883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041959 + ... + 1049265.

It is an arithmetic number, because the mean of its divisors is an integer number (560772072).

Almost surely, 2^7640286884 is an apocalyptic number.

It is an amenable number.

7640286884 is a deficient number, since it is larger than the sum of its proper divisors (5818242844).

7640286884 is a wasteful number, since it uses less digits than its factorization.

7640286884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995 (or 8993 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The square root of 7640286884 is about 87408.7345978650. The cubic root of 7640286884 is about 1969.5630528769.

The spelling of 7640286884 in words is "seven billion, six hundred forty million, two hundred eighty-six thousand, eight hundred eighty-four".