77845942682 has 8 divisors (see below), whose sum is σ = 122914646400. Its totient is φ = 36874393884.

The previous prime is 77845942633. The next prime is 77845942703. The reversal of 77845942682 is 28624954877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024288682 + ... + 1024288757.

It is an arithmetic number, because the mean of its divisors is an integer number (15364330800).

Almost surely, 2^77845942682 is an apocalyptic number.

77845942682 is a deficient number, since it is larger than the sum of its proper divisors (45068703718).

77845942682 is a wasteful number, since it uses less digits than its factorization.

77845942682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048577460.

The product of its digits is 54190080, while the sum is 62.

Multiplying 77845942682 by its sum of digits (62), we get a palindrome (4826448446284).

The spelling of 77845942682 in words is "seventy-seven billion, eight hundred forty-five million, nine hundred forty-two thousand, six hundred eighty-two".