76131443281 has 8 divisors (see below), whose sum is σ = 80700658560. Its totient is φ = 71572327488.

The previous prime is 76131443257. The next prime is 76131443299. The reversal of 76131443281 is 18234413167.

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 76131443281 - 2⁷ = 76131443153 is a prime.

It is a super-2 number, since 2×76131443281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76131443221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509341 + ... + 2539498.

It is an arithmetic number, because the mean of its divisors is an integer number (10087582320).

Almost surely, 2^76131443281 is an apocalyptic number.

It is an amenable number.

76131443281 is a deficient number, since it is larger than the sum of its proper divisors (4569215279).

76131443281 is a wasteful number, since it uses less digits than its factorization.

76131443281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049743.

The product of its digits is 96768, while the sum is 40.

The spelling of 76131443281 in words is "seventy-six billion, one hundred thirty-one million, four hundred forty-three thousand, two hundred eighty-one".