5477379981427 has 4 divisors (see below), whose sum is σ = 5497153916656. Its totient is φ = 5457606046200.

The previous prime is 5477379981373. The next prime is 5477379981523. The reversal of 5477379981427 is 7241899737745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5477379981427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5477379981427.

It is not an unprimeable number, because it can be changed into a prime (5477379951427) 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, 9886967199 + ... + 9886967752.

It is an arithmetic number, because the mean of its divisors is an integer number (1374288479164).

Almost surely, 2^{5477379981427} is an apocalyptic number.

5477379981427 is a deficient number, since it is larger than the sum of its proper divisors (19773935229).

5477379981427 is a wasteful number, since it uses less digits than its factorization.

5477379981427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19773935228.

The product of its digits is 746807040, while the sum is 73.

The spelling of 5477379981427 in words is "five trillion, four hundred seventy-seven billion, three hundred seventy-nine million, nine hundred eighty-one thousand, four hundred twenty-seven".