27725467051 has 4 divisors (see below), whose sum is σ = 27804910000. Its totient is φ = 27646024104.

The previous prime is 27725467037. The next prime is 27725467067. The reversal of 27725467051 is 15076452772.

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

It is a cyclic number.

It is not a de Polignac number, because 27725467051 - 2⁵ = 27725467019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27725466992 and 27725467010.

It is not an unprimeable number, because it can be changed into a prime (27725467031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39720951 + ... + 39721648.

It is an arithmetic number, because the mean of its divisors is an integer number (6951227500).

Almost surely, 2^27725467051 is an apocalyptic number.

27725467051 is a deficient number, since it is larger than the sum of its proper divisors (79442949).

27725467051 is an equidigital number, since it uses as much as digits as its factorization.

27725467051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79442948.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 27725467051 in words is "twenty-seven billion, seven hundred twenty-five million, four hundred sixty-seven thousand, fifty-one".