76217881068 has 192 divisors, whose sum is σ = 240665886720. Its totient is φ = 20386327104.

The previous prime is 76217881063. The next prime is 76217881079. The reversal of 76217881068 is 86018871267.

It is a happy number.

76217881068 is a `hidden beast` number, since 7 + 621 + 7 + 8 + 8 + 1 + 0 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (76217881063) 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, 770605 + ... + 863867.

It is an arithmetic number, because the mean of its divisors is an integer number (1253468160).

Almost surely, 2^76217881068 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 76217881068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120332943360).

76217881068 is an abundant number, since it is smaller than the sum of its proper divisors (164448005652).

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

76217881068 is a wasteful number, since it uses less digits than its factorization.

76217881068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93353 (or 93345 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 76217881068 in words is "seventy-six billion, two hundred seventeen million, eight hundred eighty-one thousand, sixty-eight".