126782503838 has 4 divisors (see below), whose sum is σ = 190173755760. Its totient is φ = 63391251918.

The previous prime is 126782503781. The next prime is 126782503843. The reversal of 126782503838 is 838305287621.

It is a happy number.

126782503838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838305287621 = 73 ⋅11483634077.

It is a self number, because there is not a number n which added to its sum of digits gives 126782503838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31695625958 + ... + 31695625961.

It is an arithmetic number, because the mean of its divisors is an integer number (47543438940).

Almost surely, 2^126782503838 is an apocalyptic number.

126782503838 is a deficient number, since it is larger than the sum of its proper divisors (63391251922).

126782503838 is an equidigital number, since it uses as much as digits as its factorization.

126782503838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63391251921.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 126782503838 in words is "one hundred twenty-six billion, seven hundred eighty-two million, five hundred three thousand, eight hundred thirty-eight".