76643041000 has 128 divisors (see below), whose sum is σ = 184794255360. Its totient is φ = 29737344000.

The previous prime is 76643040977. The next prime is 76643041001. The reversal of 76643041000 is 14034667.

It is not an unprimeable number, because it can be changed into a prime (76643041001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5303785 + ... + 5318215.

It is an arithmetic number, because the mean of its divisors is an integer number (1443705120).

Almost surely, 2^76643041000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76643041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92397127680).

76643041000 is an abundant number, since it is smaller than the sum of its proper divisors (108151214360).

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

76643041000 is a wasteful number, since it uses less digits than its factorization.

76643041000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612 (or 14598 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 76643041000 its reverse (14034667), we get a palindrome (76657075667).

The spelling of 76643041000 in words is "seventy-six billion, six hundred forty-three million, forty-one thousand".