76477877168 has 80 divisors (see below), whose sum is σ = 184975851264. Its totient is φ = 29758337280.

The previous prime is 76477877111. The next prime is 76477877233. The reversal of 76477877168 is 86177877467.

It is a super-2 number, since 2×76477877168² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76477877098 and 76477877107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930146 + ... + 1009022.

Almost surely, 2^76477877168 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 76477877168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92487925632).

76477877168 is an abundant number, since it is smaller than the sum of its proper divisors (108497974096).

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

76477877168 is a wasteful number, since it uses less digits than its factorization.

76477877168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79690 (or 79684 counting only the distinct ones).

The product of its digits is 154893312, while the sum is 68.

The spelling of 76477877168 in words is "seventy-six billion, four hundred seventy-seven million, eight hundred seventy-seven thousand, one hundred sixty-eight".