77057891708806 has 16 divisors (see below), whose sum is σ = 120445383227040. Its totient is φ = 36928826025280.

The previous prime is 77057891708741. The next prime is 77057891708839. The reversal of 77057891708806 is 60880719875077.

77057891708806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848840010 + ... + 4848855901.

It is an arithmetic number, because the mean of its divisors is an integer number (7527836451690).

Almost surely, 2^{77057891708806} is an apocalyptic number.

77057891708806 is a deficient number, since it is larger than the sum of its proper divisors (43387491518234).

77057891708806 is a wasteful number, since it uses less digits than its factorization.

77057891708806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697696079.

The product of its (nonzero) digits is 331914240, while the sum is 73.

The spelling of 77057891708806 in words is "seventy-seven trillion, fifty-seven billion, eight hundred ninety-one million, seven hundred eight thousand, eight hundred six".