77860780010 has 32 divisors (see below), whose sum is σ = 158873823360. Its totient is φ = 27235510848.

The previous prime is 77860780001. The next prime is 77860780031. The reversal of 77860780010 is 1008706877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15758822 + ... + 15763761.

It is an arithmetic number, because the mean of its divisors is an integer number (4964806980).

Almost surely, 2^77860780010 is an apocalyptic number.

77860780010 is an abundant number, since it is smaller than the sum of its proper divisors (81013043350).

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

77860780010 is a wasteful number, since it uses less digits than its factorization.

77860780010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31522622.

The product of its (nonzero) digits is 131712, while the sum is 44.

The spelling of 77860780010 in words is "seventy-seven billion, eight hundred sixty million, seven hundred eighty thousand, ten".