27767413551 has 16 divisors (see below), whose sum is σ = 39114777600. Its totient is φ = 17492992608.

The previous prime is 27767413547. The next prime is 27767413567. The reversal of 27767413551 is 15531476772.

It is not a de Polignac number, because 27767413551 - 2² = 27767413547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27767413551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27767413511) 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 15 ways as a sum of consecutive naturals, for example, 3391291 + ... + 3399468.

It is an arithmetic number, because the mean of its divisors is an integer number (2444673600).

Almost surely, 2^27767413551 is an apocalyptic number.

27767413551 is a deficient number, since it is larger than the sum of its proper divisors (11347364049).

27767413551 is a wasteful number, since it uses less digits than its factorization.

27767413551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790838.

The product of its digits is 1234800, while the sum is 48.

The spelling of 27767413551 in words is "twenty-seven billion, seven hundred sixty-seven million, four hundred thirteen thousand, five hundred fifty-one".