966615999127 has 2 divisors, whose sum is σ = 966615999128. Its totient is φ = 966615999126.

The previous prime is 966615999113. The next prime is 966615999143. The reversal of 966615999127 is 721999516669.

966615999127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966615999127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966615999197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483307999563 + 483307999564.

It is an arithmetic number, because the mean of its divisors is an integer number (483307999564).

Almost surely, 2^966615999127 is an apocalyptic number.

966615999127 is a deficient number, since it is larger than the sum of its proper divisors (1).

966615999127 is an equidigital number, since it uses as much as digits as its factorization.

966615999127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99202320, while the sum is 70.

The spelling of 966615999127 in words is "nine hundred sixty-six billion, six hundred fifteen million, nine hundred ninety-nine thousand, one hundred twenty-seven".