27424720858 has 32 divisors (see below), whose sum is σ = 44613448704. Its totient is φ = 12593290752.

The previous prime is 27424720847. The next prime is 27424720861. The reversal of 27424720858 is 85802742472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580566 + ... + 1597822.

It is an arithmetic number, because the mean of its divisors is an integer number (1394170272).

Almost surely, 2^27424720858 is an apocalyptic number.

27424720858 is a deficient number, since it is larger than the sum of its proper divisors (17188727846).

27424720858 is a wasteful number, since it uses less digits than its factorization.

27424720858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18406.

The product of its (nonzero) digits is 2007040, while the sum is 49.

The spelling of 27424720858 in words is "twenty-seven billion, four hundred twenty-four million, seven hundred twenty thousand, eight hundred fifty-eight".