76131443838 has 32 divisors (see below), whose sum is σ = 155913039360. Its totient is φ = 24771640320.

The previous prime is 76131443833. The next prime is 76131443849. The reversal of 76131443838 is 83834413167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76131443833) 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, 249283 + ... + 463038.

It is an arithmetic number, because the mean of its divisors is an integer number (4872282480).

Almost surely, 2^76131443838 is an apocalyptic number.

76131443838 is an abundant number, since it is smaller than the sum of its proper divisors (79781595522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76131443838 is a wasteful number, since it uses less digits than its factorization.

76131443838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712752.

The product of its digits is 1161216, while the sum is 48.

The spelling of 76131443838 in words is "seventy-six billion, one hundred thirty-one million, four hundred forty-three thousand, eight hundred thirty-eight".