2578253338 has 8 divisors (see below), whose sum is σ = 3949664832. Its totient is φ = 1261698396.

The previous prime is 2578253329. The next prime is 2578253341. The reversal of 2578253338 is 8333528752.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13714020 + ... + 13714207.

It is an arithmetic number, because the mean of its divisors is an integer number (493708104).

Almost surely, 2^2578253338 is an apocalyptic number.

2578253338 is a deficient number, since it is larger than the sum of its proper divisors (1371411494).

2578253338 is a wasteful number, since it uses less digits than its factorization.

2578253338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27428276.

The product of its digits is 1209600, while the sum is 46.

The square root of 2578253338 is about 50776.5037985090. The cubic root of 2578253338 is about 1371.2243903481.

The spelling of 2578253338 in words is "two billion, five hundred seventy-eight million, two hundred fifty-three thousand, three hundred thirty-eight".