76663541064 has 192 divisors, whose sum is σ = 218626974720. Its totient is φ = 22368931200.

The previous prime is 76663541029. The next prime is 76663541069. The reversal of 76663541064 is 46014536667.

It is a super-2 number, since 2×76663541064² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76663541069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8861589 + ... + 8870235.

It is an arithmetic number, because the mean of its divisors is an integer number (1138682160).

Almost surely, 2^76663541064 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 76663541064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109313487360).

76663541064 is an abundant number, since it is smaller than the sum of its proper divisors (141963433656).

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

76663541064 is a wasteful number, since it uses less digits than its factorization.

76663541064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792 (or 8777 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 76663541064 in words is "seventy-six billion, six hundred sixty-three million, five hundred forty-one thousand, sixty-four".