126837740877 has 16 divisors (see below), whose sum is σ = 179745920640. Its totient is φ = 79281853952.

The previous prime is 126837740857. The next prime is 126837740879. The reversal of 126837740877 is 778047738621.

It is a cyclic number.

It is not a de Polignac number, because 126837740877 - 2¹¹ = 126837738829 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 126837740877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126837740879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4714752 + ... + 4741577.

It is an arithmetic number, because the mean of its divisors is an integer number (11234120040).

Almost surely, 2^126837740877 is an apocalyptic number.

126837740877 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126837740877 is a deficient number, since it is larger than the sum of its proper divisors (52908179763).

126837740877 is a wasteful number, since it uses less digits than its factorization.

126837740877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456612.

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 126837740877 in words is "one hundred twenty-six billion, eight hundred thirty-seven million, seven hundred forty thousand, eight hundred seventy-seven".