66852794927 has 2 divisors, whose sum is σ = 66852794928. Its totient is φ = 66852794926.

The previous prime is 66852794867. The next prime is 66852794941. The reversal of 66852794927 is 72949725866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66852794927 - 2²⁴ = 66836017711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66852794947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33426397463 + 33426397464.

It is an arithmetic number, because the mean of its divisors is an integer number (33426397464).

Almost surely, 2^66852794927 is an apocalyptic number.

66852794927 is a deficient number, since it is larger than the sum of its proper divisors (1).

66852794927 is an equidigital number, since it uses as much as digits as its factorization.

66852794927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 65.

The spelling of 66852794927 in words is "sixty-six billion, eight hundred fifty-two million, seven hundred ninety-four thousand, nine hundred twenty-seven".