2564026827 has 8 divisors (see below), whose sum is σ = 3429626064. Its totient is φ = 1703889408.

The previous prime is 2564026807. The next prime is 2564026837. The reversal of 2564026827 is 7286204652.

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

It is not a de Polignac number, because 2564026827 - 2¹² = 2564022731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564026807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364358 + ... + 1366235.

It is an arithmetic number, because the mean of its divisors is an integer number (428703258).

Almost surely, 2^2564026827 is an apocalyptic number.

2564026827 is a deficient number, since it is larger than the sum of its proper divisors (865599237).

2564026827 is a wasteful number, since it uses less digits than its factorization.

2564026827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730909.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2564026827 is about 50636.2205046941. The cubic root of 2564026827 is about 1368.6976500568.

The spelling of 2564026827 in words is "two billion, five hundred sixty-four million, twenty-six thousand, eight hundred twenty-seven".