127656967 has 2 divisors, whose sum is σ = 127656968. Its totient is φ = 127656966.

The previous prime is 127656941. The next prime is 127656973. The reversal of 127656967 is 769656721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127656967 - 2¹⁵ = 127624199 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 127656967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127656917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63828483 + 63828484.

It is an arithmetic number, because the mean of its divisors is an integer number (63828484).

Almost surely, 2^127656967 is an apocalyptic number.

127656967 is a deficient number, since it is larger than the sum of its proper divisors (1).

127656967 is an equidigital number, since it uses as much as digits as its factorization.

127656967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 127656967 is about 11298.5382682894. The cubic root of 127656967 is about 503.5178145837.

The spelling of 127656967 in words is "one hundred twenty-seven million, six hundred fifty-six thousand, nine hundred sixty-seven".