127857673 has 2 divisors, whose sum is σ = 127857674. Its totient is φ = 127857672.

The previous prime is 127857649. The next prime is 127857797. The reversal of 127857673 is 376758721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126630009 + 1227664 = 11253^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 127857673 - 2¹³ = 127849481 is a prime.

It is not a weakly prime, because it can be changed into another prime (127857073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63928836 + 63928837.

It is an arithmetic number, because the mean of its divisors is an integer number (63928837).

Almost surely, 2^127857673 is an apocalyptic number.

It is an amenable number.

127857673 is a deficient number, since it is larger than the sum of its proper divisors (1).

127857673 is an equidigital number, since it uses as much as digits as its factorization.

127857673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 46.

The square root of 127857673 is about 11307.4167253179. The cubic root of 127857673 is about 503.7815581992.

The spelling of 127857673 in words is "one hundred twenty-seven million, eight hundred fifty-seven thousand, six hundred seventy-three".