45797578239 has 16 divisors (see below), whose sum is σ = 70404371712. Its totient is φ = 25938450048.

The previous prime is 45797578217. The next prime is 45797578279. The reversal of 45797578239 is 93287579754.

It is not a de Polignac number, because 45797578239 - 2¹¹ = 45797576191 is a prime.

It is a super-2 number, since 2×45797578239² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45797578239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45797578279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9647349 + ... + 9652094.

It is an arithmetic number, because the mean of its divisors is an integer number (4400273232).

Almost surely, 2^45797578239 is an apocalyptic number.

45797578239 is a deficient number, since it is larger than the sum of its proper divisors (24606793473).

45797578239 is a wasteful number, since it uses less digits than its factorization.

45797578239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19299566.

The product of its digits is 133358400, while the sum is 66.

The spelling of 45797578239 in words is "forty-five billion, seven hundred ninety-seven million, five hundred seventy-eight thousand, two hundred thirty-nine".