77232740137443 has 48 divisors (see below), whose sum is σ = 122433712966656. Its totient is φ = 46525575419520.

The previous prime is 77232740137411. The next prime is 77232740137453. The reversal of 77232740137443 is 34473104723277.

It is a happy number.

77232740137443 is a `hidden beast` number, since 7 + 7 + 2 + 3 + 27 + 40 + 137 + 443 = 666.

It is not a de Polignac number, because 77232740137443 - 2⁵ = 77232740137411 is a prime.

It is a super-2 number, since 2×77232740137443² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77232740137443.

It is not an unprimeable number, because it can be changed into a prime (77232740137453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491827846 + ... + 491984852.

It is an arithmetic number, because the mean of its divisors is an integer number (2550702353472).

Almost surely, 2^{77232740137443} is an apocalyptic number.

77232740137443 is a deficient number, since it is larger than the sum of its proper divisors (45200972829213).

77232740137443 is a wasteful number, since it uses less digits than its factorization.

77232740137443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186944 (or 186941 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 54.

The spelling of 77232740137443 in words is "seventy-seven trillion, two hundred thirty-two billion, seven hundred forty million, one hundred thirty-seven thousand, four hundred forty-three".