126677329893 has 40 divisors (see below), whose sum is σ = 194061150360. Its totient is φ = 82301806080.

The previous prime is 126677329871. The next prime is 126677329921. The reversal of 126677329893 is 398923776621.

It can be written as a sum of positive squares in 4 ways, for example, as 8614995489 + 118062334404 = 92817^2 + 343602^2 .

It is not a de Polignac number, because 126677329893 - 2⁵ = 126677329861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126677329893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126677329193) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3091423 + ... + 3132131.

It is an arithmetic number, because the mean of its divisors is an integer number (4851528759).

Almost surely, 2^126677329893 is an apocalyptic number.

It is an amenable number.

126677329893 is a deficient number, since it is larger than the sum of its proper divisors (67383820467).

126677329893 is an equidigital number, since it uses as much as digits as its factorization.

126677329893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41699 (or 41690 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 126677329893 in words is "one hundred twenty-six billion, six hundred seventy-seven million, three hundred twenty-nine thousand, eight hundred ninety-three".