27766412541254 has 4 divisors (see below), whose sum is σ = 41649618811884. Its totient is φ = 13883206270626.

The previous prime is 27766412541253. The next prime is 27766412541319. The reversal of 27766412541254 is 45214521466772.

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

It is a super-2 number, since 2×27766412541254² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27766412541254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766412541253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941603135312 + ... + 6941603135315.

It is an arithmetic number, because the mean of its divisors is an integer number (10412404702971).

Almost surely, 2^{27766412541254} is an apocalyptic number.

27766412541254 is a deficient number, since it is larger than the sum of its proper divisors (13883206270630).

27766412541254 is a wasteful number, since it uses less digits than its factorization.

27766412541254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13883206270629.

The product of its digits is 22579200, while the sum is 56.

The spelling of 27766412541254 in words is "twenty-seven trillion, seven hundred sixty-six billion, four hundred twelve million, five hundred forty-one thousand, two hundred fifty-four".