77894859594 has 32 divisors (see below), whose sum is σ = 157453315776. Its totient is φ = 25688328320.

The previous prime is 77894859541. The next prime is 77894859613. The reversal of 77894859594 is 49595849877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408844 + ... + 568280.

It is an arithmetic number, because the mean of its divisors is an integer number (4920416118).

Almost surely, 2^77894859594 is an apocalyptic number.

77894859594 is an abundant number, since it is smaller than the sum of its proper divisors (79558456182).

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

77894859594 is a wasteful number, since it uses less digits than its factorization.

77894859594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160310.

The product of its digits is 914457600, while the sum is 75.

The spelling of 77894859594 in words is "seventy-seven billion, eight hundred ninety-four million, eight hundred fifty-nine thousand, five hundred ninety-four".