76817690430 has 128 divisors (see below), whose sum is σ = 199712798208. Its totient is φ = 18798054912.

The previous prime is 76817690429. The next prime is 76817690437. The reversal of 76817690430 is 3409671867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76817690437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70280964 + ... + 70282056.

It is an arithmetic number, because the mean of its divisors is an integer number (1560256236).

Almost surely, 2^76817690430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76817690430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99856399104).

76817690430 is an abundant number, since it is smaller than the sum of its proper divisors (122895107778).

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

76817690430 is a wasteful number, since it uses less digits than its factorization.

76817690430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 76817690430 in words is "seventy-six billion, eight hundred seventeen million, six hundred ninety thousand, four hundred thirty".