7997009476 has 27 divisors (see below), whose sum is σ = 14247387063. Its totient is φ = 3927589920.

The previous prime is 7997009473. The next prime is 7997009477. The reversal of 7997009476 is 6749007997.

The square root of 7997009476 is 89426.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8940100 + 7988069376 = 2990^2 + 89376^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7997009476.

It is not an unprimeable number, because it can be changed into a prime (7997009473) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10909606 + ... + 10910338.

Almost surely, 2^7997009476 is an apocalyptic number.

7997009476 is the 89426-th square number.

It is an amenable number.

7997009476 is a deficient number, since it is larger than the sum of its proper divisors (6250377587).

7997009476 is an frugal number, since it uses more digits than its factorization.

7997009476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 58.

The cubic root of 7997009476 is about 1999.7507586073.

The spelling of 7997009476 in words is "seven billion, nine hundred ninety-seven million, nine thousand, four hundred seventy-six".