127144770670809 has 12 divisors (see below), whose sum is σ = 183654559863216. Its totient is φ = 84762717880632.

The previous prime is 127144770670807. The next prime is 127144770670817. The reversal of 127144770670809 is 908076077441721.

127144770670809 is a `hidden beast` number, since 1 + 2 + 7 + 14 + 477 + 0 + 6 + 70 + 80 + 9 = 666.

It is not a de Polignac number, because 127144770670809 - 2¹ = 127144770670807 is a prime.

It is a super-2 number, since 2×127144770670809² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127144770670807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36802227 + ... + 40108520.

It is an arithmetic number, because the mean of its divisors is an integer number (15304546655268).

Almost surely, 2^{127144770670809} is an apocalyptic number.

It is an amenable number.

127144770670809 is a deficient number, since it is larger than the sum of its proper divisors (56509789192407).

127144770670809 is a wasteful number, since it uses less digits than its factorization.

127144770670809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77094436 (or 77094433 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 63.

The spelling of 127144770670809 in words is "one hundred twenty-seven trillion, one hundred forty-four billion, seven hundred seventy million, six hundred seventy thousand, eight hundred nine".