1077758807808 has 72 divisors (see below), whose sum is σ = 2929440261888. Its totient is φ = 351609244672.

The previous prime is 1077758807779. The next prime is 1077758807821. The reversal of 1077758807808 is 8087088577701.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14892966 + ... + 14965157.

It is an arithmetic number, because the mean of its divisors is an integer number (40686670304).

Almost surely, 2^{1077758807808} is an apocalyptic number.

It is an amenable number.

1077758807808 is an abundant number, since it is smaller than the sum of its proper divisors (1851681454080).

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

1077758807808 is an equidigital number, since it uses as much as digits as its factorization.

1077758807808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29858189 (or 29858175 counting only the distinct ones).

The product of its (nonzero) digits is 49172480, while the sum is 66.

The spelling of 1077758807808 in words is "one trillion, seventy-seven billion, seven hundred fifty-eight million, eight hundred seven thousand, eight hundred eight".