9926599947 has 8 divisors (see below), whose sum is σ = 14438690880. Its totient is φ = 6016121160.

The previous prime is 9926599939. The next prime is 9926599961. The reversal of 9926599947 is 7499956299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9926599947 - 2³ = 9926599939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9926599937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150402997 + ... + 150403062.

It is an arithmetic number, because the mean of its divisors is an integer number (1804836360).

Almost surely, 2^9926599947 is an apocalyptic number.

9926599947 is a deficient number, since it is larger than the sum of its proper divisors (4512090933).

9926599947 is a wasteful number, since it uses less digits than its factorization.

9926599947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300806073.

The product of its digits is 99202320, while the sum is 69.

The square root of 9926599947 is about 99632.3238060821. The cubic root of 9926599947 is about 2149.1505529872.

The spelling of 9926599947 in words is "nine billion, nine hundred twenty-six million, five hundred ninety-nine thousand, nine hundred forty-seven".