2997547957 has 4 divisors (see below), whose sum is σ = 2998253740. Its totient is φ = 2996842176.

The previous prime is 2997547913. The next prime is 2997548009. The reversal of 2997547957 is 7597457992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425638161 + 2571909796 = 20631^2 + 50714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2997547957 - 2¹⁵ = 2997515189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997541957) 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 3 ways as a sum of consecutive naturals, for example, 346482 + ... + 355027.

It is an arithmetic number, because the mean of its divisors is an integer number (749563435).

Almost surely, 2^2997547957 is an apocalyptic number.

It is an amenable number.

2997547957 is a deficient number, since it is larger than the sum of its proper divisors (705783).

2997547957 is an equidigital number, since it uses as much as digits as its factorization.

2997547957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705782.

The product of its digits is 50009400, while the sum is 64.

The square root of 2997547957 is about 54749.8671870535. The cubic root of 2997547957 is about 1441.8565234290.

The spelling of 2997547957 in words is "two billion, nine hundred ninety-seven million, five hundred forty-seven thousand, nine hundred fifty-seven".