27770146823 has 2 divisors, whose sum is σ = 27770146824. Its totient is φ = 27770146822.

The previous prime is 27770146813. The next prime is 27770146909. The reversal of 27770146823 is 32864107772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27770146823 - 2¹² = 27770142727 is a prime.

It is a super-3 number, since 3×27770146823³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27770146813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13885073411 + 13885073412.

It is an arithmetic number, because the mean of its divisors is an integer number (13885073412).

Almost surely, 2^27770146823 is an apocalyptic number.

27770146823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27770146823 is an equidigital number, since it uses as much as digits as its factorization.

27770146823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 27770146823 in words is "twenty-seven billion, seven hundred seventy million, one hundred forty-six thousand, eight hundred twenty-three".