27726680751 has 32 divisors (see below), whose sum is σ = 46212864000. Its totient is φ = 14365421280.

The previous prime is 27726680749. The next prime is 27726680783. The reversal of 27726680751 is 15708662772.

It is not a de Polignac number, because 27726680751 - 2¹ = 27726680749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27726680694 and 27726680703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726680701) 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 31 ways as a sum of consecutive naturals, for example, 70801 + ... + 245898.

It is an arithmetic number, because the mean of its divisors is an integer number (1444152000).

Almost surely, 2^27726680751 is an apocalyptic number.

27726680751 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27726680751 is a deficient number, since it is larger than the sum of its proper divisors (18486183249).

27726680751 is a wasteful number, since it uses less digits than its factorization.

27726680751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317099.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 27726680751 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred eighty thousand, seven hundred fifty-one".