10847963997 has 18 divisors (see below), whose sum is σ = 16876363322. Its totient is φ = 6674976864.

The previous prime is 10847963989. The next prime is 10847963999. The reversal of 10847963997 is 79936974801.

10847963997 is a `hidden beast` number, since 10 + 8 + 479 + 63 + 9 + 97 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6453069561 + 4394894436 = 80331^2 + 66294^2 .

It is not a de Polignac number, because 10847963997 - 2³ = 10847963989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10847963999) 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, 1121779 + ... + 1131407.

Almost surely, 2^10847963997 is an apocalyptic number.

It is an amenable number.

10847963997 is a deficient number, since it is larger than the sum of its proper divisors (6028399325).

10847963997 is an frugal number, since it uses more digits than its factorization.

10847963997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277 (or 9645 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 10847963997 in words is "ten billion, eight hundred forty-seven million, nine hundred sixty-three thousand, nine hundred ninety-seven".