2578947371 has 32 divisors (see below), whose sum is σ = 3533376000. Its totient is φ = 1854951840.

The previous prime is 2578947361. The next prime is 2578947373. The reversal of 2578947371 is 1737498752.

It is not a de Polignac number, because 2578947371 - 2¹⁰ = 2578946347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2578947373) 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 31 ways as a sum of consecutive naturals, for example, 22760 + ... + 75338.

It is an arithmetic number, because the mean of its divisors is an integer number (110418000).

Almost surely, 2^2578947371 is an apocalyptic number.

2578947371 is a deficient number, since it is larger than the sum of its proper divisors (954428629).

2578947371 is a wasteful number, since it uses less digits than its factorization.

2578947371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52624 (or 52610 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 2578947371 is about 50783.3375330925. The cubic root of 2578947371 is about 1371.3474180303.

It can be divided in two parts, 2578 and 947371, that added together give a palindrome (949949).

The spelling of 2578947371 in words is "two billion, five hundred seventy-eight million, nine hundred forty-seven thousand, three hundred seventy-one".