27777487463 has 8 divisors (see below), whose sum is σ = 30351834000. Its totient is φ = 25211327680.

The previous prime is 27777487453. The next prime is 27777487469. The reversal of 27777487463 is 36478477772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27777487463 - 2¹² = 27777483367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27777487396 and 27777487405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27777487469) 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, 2039588 + ... + 2053161.

It is an arithmetic number, because the mean of its divisors is an integer number (3793979250).

Almost surely, 2^27777487463 is an apocalyptic number.

27777487463 is a deficient number, since it is larger than the sum of its proper divisors (2574346537).

27777487463 is a wasteful number, since it uses less digits than its factorization.

27777487463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093377.

The product of its digits is 77446656, while the sum is 62.

The spelling of 27777487463 in words is "twenty-seven billion, seven hundred seventy-seven million, four hundred eighty-seven thousand, four hundred sixty-three".