2578462823 has 4 divisors (see below), whose sum is σ = 2591822928. Its totient is φ = 2565102720.

The previous prime is 2578462813. The next prime is 2578462829. The reversal of 2578462823 is 3282648752.

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

It is a cyclic number.

It is not a de Polignac number, because 2578462823 - 2⁴ = 2578462807 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 (2578462829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6679763 + ... + 6680148.

It is an arithmetic number, because the mean of its divisors is an integer number (647955732).

Almost surely, 2^2578462823 is an apocalyptic number.

2578462823 is a deficient number, since it is larger than the sum of its proper divisors (13360105).

2578462823 is a wasteful number, since it uses less digits than its factorization.

2578462823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360104.

The product of its digits is 1290240, while the sum is 47.

The square root of 2578462823 is about 50778.5665709461. The cubic root of 2578462823 is about 1371.2615270093.

The spelling of 2578462823 in words is "two billion, five hundred seventy-eight million, four hundred sixty-two thousand, eight hundred twenty-three".