7947326900 has 18 divisors (see below), whose sum is σ = 17245699590. Its totient is φ = 3178930720.

The previous prime is 7947326869. The next prime is 7947326909. The reversal of 7947326900 is 96237497.

It can be written as a sum of positive squares in 3 ways, for example, as 1836465316 + 6110861584 = 42854^2 + 78172^2 .

It is a super-2 number, since 2×7947326900² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7947326909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39736535 + ... + 39736734.

Almost surely, 2^7947326900 is an apocalyptic number.

It is an amenable number.

7947326900 is an abundant number, since it is smaller than the sum of its proper divisors (9298372690).

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

7947326900 is a wasteful number, since it uses less digits than its factorization.

7947326900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79473283 (or 79473276 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 7947326900 is about 89147.7812399165. The cubic root of 7947326900 is about 1995.6009060806.

The spelling of 7947326900 in words is "seven billion, nine hundred forty-seven million, three hundred twenty-six thousand, nine hundred".