76889683920 has 160 divisors (see below), whose sum is σ = 273984820992. Its totient is φ = 17473130496.

The previous prime is 76889683901. The next prime is 76889683921. The reversal of 76889683920 is 2938698867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76889683921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158364 + ... + 422916.

Almost surely, 2^76889683920 is an apocalyptic number.

76889683920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76889683920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136992410496).

76889683920 is an abundant number, since it is smaller than the sum of its proper divisors (197095137072).

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

76889683920 is a wasteful number, since it uses less digits than its factorization.

76889683920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264749 (or 264743 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 76889683920 in words is "seventy-six billion, eight hundred eighty-nine million, six hundred eighty-three thousand, nine hundred twenty".