77160424432 has 120 divisors (see below), whose sum is σ = 195459080096. Its totient is φ = 28729257984.

The previous prime is 77160424427. The next prime is 77160424447. The reversal of 77160424432 is 23442406177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329098 + ... + 512470.

Almost surely, 2^77160424432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77160424432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97729540048).

77160424432 is an abundant number, since it is smaller than the sum of its proper divisors (118298655664).

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

77160424432 is a wasteful number, since it uses less digits than its factorization.

77160424432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183435 (or 183412 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 77160424432 in words is "seventy-seven billion, one hundred sixty million, four hundred twenty-four thousand, four hundred thirty-two".