27825778051 has 8 divisors (see below), whose sum is σ = 29065155840. Its totient is φ = 26588863752.

The previous prime is 27825778039. The next prime is 27825778067. The reversal of 27825778051 is 15087752872.

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 27825778051 - 2¹³ = 27825769859 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 27825778051.

It is not an unprimeable number, because it can be changed into a prime (27825778091) 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 7 ways as a sum of consecutive naturals, for example, 592761 + ... + 637978.

It is an arithmetic number, because the mean of its divisors is an integer number (3633144480).

Almost surely, 2^27825778051 is an apocalyptic number.

27825778051 is a deficient number, since it is larger than the sum of its proper divisors (1239377789).

27825778051 is a wasteful number, since it uses less digits than its factorization.

27825778051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231745.

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 27825778051 in words is "twenty-seven billion, eight hundred twenty-five million, seven hundred seventy-eight thousand, fifty-one".