27823254407 has 4 divisors (see below), whose sum is σ = 29963504760. Its totient is φ = 25683004056.

The previous prime is 27823254379. The next prime is 27823254419. The reversal of 27823254407 is 70445232872.

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 27823254407 - 2⁶ = 27823254343 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 (27823253407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070125157 + ... + 1070125182.

It is an arithmetic number, because the mean of its divisors is an integer number (7490876190).

Almost surely, 2^27823254407 is an apocalyptic number.

27823254407 is a deficient number, since it is larger than the sum of its proper divisors (2140250353).

27823254407 is a wasteful number, since it uses less digits than its factorization.

27823254407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140250352.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 27823254407 in words is "twenty-seven billion, eight hundred twenty-three million, two hundred fifty-four thousand, four hundred seven".