27774111061 has 8 divisors (see below), whose sum is σ = 29253456800. Its totient is φ = 26296520400.

The previous prime is 27774111059. The next prime is 27774111091. The reversal of 27774111061 is 16011147772.

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

It is a cyclic number.

It is not a de Polignac number, because 27774111061 - 2¹ = 27774111059 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 27774111061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27774111011) 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, 406215 + ... + 469636.

It is an arithmetic number, because the mean of its divisors is an integer number (3656682100).

Almost surely, 2^27774111061 is an apocalyptic number.

It is an amenable number.

27774111061 is a deficient number, since it is larger than the sum of its proper divisors (1479345739).

27774111061 is a wasteful number, since it uses less digits than its factorization.

27774111061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877539.

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 27774111061 in words is "twenty-seven billion, seven hundred seventy-four million, one hundred eleven thousand, sixty-one".