76918782450 has 24 divisors (see below), whose sum is σ = 190758580848. Its totient is φ = 20511675280.

The previous prime is 76918782439. The next prime is 76918782491. The reversal of 76918782450 is 5428781967.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256395792 + ... + 256396091.

It is an arithmetic number, because the mean of its divisors is an integer number (7948274202).

Almost surely, 2^76918782450 is an apocalyptic number.

76918782450 is an abundant number, since it is smaller than the sum of its proper divisors (113839798398).

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

76918782450 is a wasteful number, since it uses less digits than its factorization.

76918782450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512791898 (or 512791893 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 76918782450 in words is "seventy-six billion, nine hundred eighteen million, seven hundred eighty-two thousand, four hundred fifty".