6597578947 has 2 divisors, whose sum is σ = 6597578948. Its totient is φ = 6597578946.

The previous prime is 6597578941. The next prime is 6597578993. The reversal of 6597578947 is 7498757956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6597578947 - 2²³ = 6589190339 is a prime.

It is not a weakly prime, because it can be changed into another prime (6597578941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3298789473 + 3298789474.

It is an arithmetic number, because the mean of its divisors is an integer number (3298789474).

Almost surely, 2^6597578947 is an apocalyptic number.

6597578947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6597578947 is an equidigital number, since it uses as much as digits as its factorization.

6597578947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 133358400, while the sum is 67.

The square root of 6597578947 is about 81225.4821284552. The cubic root of 6597578947 is about 1875.5480658697.

The spelling of 6597578947 in words is "six billion, five hundred ninety-seven million, five hundred seventy-eight thousand, nine hundred forty-seven".