76966549836 has 192 divisors, whose sum is σ = 227853803520. Its totient is φ = 19891491840.

The previous prime is 76966549789. The next prime is 76966549837. The reversal of 76966549836 is 63894566967.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (76966549837) 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 63 ways as a sum of consecutive naturals, for example, 941385 + ... + 1019871.

It is an arithmetic number, because the mean of its divisors is an integer number (1186738560).

Almost surely, 2^76966549836 is an apocalyptic number.

76966549836 is a gapful number since it is divisible by the number (76) 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 76966549836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113926901760).

76966549836 is an abundant number, since it is smaller than the sum of its proper divisors (150887253684).

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

76966549836 is a wasteful number, since it uses less digits than its factorization.

76966549836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78564 (or 78562 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 69.

The spelling of 76966549836 in words is "seventy-six billion, nine hundred sixty-six million, five hundred forty-nine thousand, eight hundred thirty-six".