77700854694 has 32 divisors (see below), whose sum is σ = 155622186720. Its totient is φ = 25863570432.

The previous prime is 77700854681. The next prime is 77700854729. The reversal of 77700854694 is 49645800777.

It is a congruent number.

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, 17291512 + ... + 17296004.

It is an arithmetic number, because the mean of its divisors is an integer number (4863193335).

Almost surely, 2^77700854694 is an apocalyptic number.

77700854694 is an abundant number, since it is smaller than the sum of its proper divisors (77921332026).

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

77700854694 is a wasteful number, since it uses less digits than its factorization.

77700854694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 77700854694 in words is "seventy-seven billion, seven hundred million, eight hundred fifty-four thousand, six hundred ninety-four".