2564878846 has 8 divisors (see below), whose sum is σ = 3847927824. Its totient is φ = 1282236240.

The previous prime is 2564878843. The next prime is 2564878847. The reversal of 2564878846 is 6488784652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564878843) 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, 85290 + ... + 111373.

It is an arithmetic number, because the mean of its divisors is an integer number (480990978).

Almost surely, 2^2564878846 is an apocalyptic number.

2564878846 is a deficient number, since it is larger than the sum of its proper divisors (1283048978).

2564878846 is a wasteful number, since it uses less digits than its factorization.

2564878846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203186.

The product of its digits is 20643840, while the sum is 58.

The square root of 2564878846 is about 50644.6329436792. The cubic root of 2564878846 is about 1368.8492380777.

The spelling of 2564878846 in words is "two billion, five hundred sixty-four million, eight hundred seventy-eight thousand, eight hundred forty-six".