27777658051 has 8 divisors (see below), whose sum is σ = 32633892144. Its totient is φ = 23309922720.

The previous prime is 27777658039. The next prime is 27777658061. The reversal of 27777658051 is 15085677772.

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 27777658051 - 2¹⁷ = 27777526979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27777657983 and 27777658001.

It is not an unprimeable number, because it can be changed into a prime (27777658061) 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, 97124536 + ... + 97124821.

It is an arithmetic number, because the mean of its divisors is an integer number (4079236518).

Almost surely, 2^27777658051 is an apocalyptic number.

27777658051 is a deficient number, since it is larger than the sum of its proper divisors (4856234093).

27777658051 is a wasteful number, since it uses less digits than its factorization.

27777658051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194249381.

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 27777658051 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred fifty-eight thousand, fifty-one".