27804974390 has 32 divisors (see below), whose sum is σ = 52261134336. Its totient is φ = 10631063520.

The previous prime is 27804974389. The next prime is 27804974441. The reversal of 27804974390 is 9347940872.

It is a Curzon number.

It is a congruent number.

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, 297239 + ... + 379421.

It is an arithmetic number, because the mean of its divisors is an integer number (1633160448).

Almost surely, 2^27804974390 is an apocalyptic number.

27804974390 is a deficient number, since it is larger than the sum of its proper divisors (24456159946).

27804974390 is a wasteful number, since it uses less digits than its factorization.

27804974390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83684.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 27804974390 in words is "twenty-seven billion, eight hundred four million, nine hundred seventy-four thousand, three hundred ninety".