27894751351 has 4 divisors (see below), whose sum is σ = 27899827704. Its totient is φ = 27889675000.

The previous prime is 27894751319. The next prime is 27894751361. The reversal of 27894751351 is 15315749872.

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 27894751351 - 2⁵ = 27894751319 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 (27894751361) 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, 2529925 + ... + 2540926.

It is an arithmetic number, because the mean of its divisors is an integer number (6974956926).

Almost surely, 2^27894751351 is an apocalyptic number.

27894751351 is a deficient number, since it is larger than the sum of its proper divisors (5076353).

27894751351 is an equidigital number, since it uses as much as digits as its factorization.

27894751351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076352.

The product of its digits is 2116800, while the sum is 52.

The spelling of 27894751351 in words is "twenty-seven billion, eight hundred ninety-four million, seven hundred fifty-one thousand, three hundred fifty-one".