126677007065773 has 8 divisors (see below), whose sum is σ = 126759839830200. Its totient is φ = 126594182004480.

The previous prime is 126677007065677. The next prime is 126677007065839. The reversal of 126677007065773 is 377560700776621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83235752429769 + 43441254636004 = 9123363^2 + 6590998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126677007065773 - 2²¹ = 126677004968621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126677007066773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31160403 + ... + 34990351.

It is an arithmetic number, because the mean of its divisors is an integer number (15844979978775).

Almost surely, 2^{126677007065773} is an apocalyptic number.

It is an amenable number.

126677007065773 is a deficient number, since it is larger than the sum of its proper divisors (82832764427).

126677007065773 is a wasteful number, since it uses less digits than its factorization.

126677007065773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851567.

The product of its (nonzero) digits is 108909360, while the sum is 64.

The spelling of 126677007065773 in words is "one hundred twenty-six trillion, six hundred seventy-seven billion, seven million, sixty-five thousand, seven hundred seventy-three".