77142024168 has 64 divisors (see below), whose sum is σ = 210418283520. Its totient is φ = 23372932800.

The previous prime is 77142024131. The next prime is 77142024181. The reversal of 77142024168 is 86142024177.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218033 + ... + 2252543.

It is an arithmetic number, because the mean of its divisors is an integer number (3287785680).

Almost surely, 2^77142024168 is an apocalyptic number.

It is an amenable number.

77142024168 is an abundant number, since it is smaller than the sum of its proper divisors (133276259352).

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

77142024168 is a wasteful number, since it uses less digits than its factorization.

77142024168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42998 (or 42994 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

Subtracting 77142024168 from its reverse (86142024177), we obtain a palindrome (9000000009).

The spelling of 77142024168 in words is "seventy-seven billion, one hundred forty-two million, twenty-four thousand, one hundred sixty-eight".