27420852454 has 16 divisors (see below), whose sum is σ = 41192520336. Its totient is φ = 13690029600.

The previous prime is 27420852451. The next prime is 27420852467. The reversal of 27420852454 is 45425802472.

It is a self number, because there is not a number n which added to its sum of digits gives 27420852454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27420852451) 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, 5243389 + ... + 5248615.

It is an arithmetic number, because the mean of its divisors is an integer number (2574532521).

Almost surely, 2^27420852454 is an apocalyptic number.

27420852454 is a deficient number, since it is larger than the sum of its proper divisors (13771667882).

27420852454 is a wasteful number, since it uses less digits than its factorization.

27420852454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 716800, while the sum is 43.

The spelling of 27420852454 in words is "twenty-seven billion, four hundred twenty million, eight hundred fifty-two thousand, four hundred fifty-four".