77232740137412 has 12 divisors (see below), whose sum is σ = 135157670371500. Its totient is φ = 38616262888416.

The previous prime is 77232740137411. The next prime is 77232740137453. The reversal of 77232740137412 is 21473104723277.

It can be written as a sum of positive squares in 2 ways, for example, as 33935471573056 + 43297268564356 = 5825416^2 + 6580066^2 .

It is a super-2 number, since 2×77232740137412² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77232740137411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25162703 + ... + 28064694.

It is an arithmetic number, because the mean of its divisors is an integer number (11263139197625).

Almost surely, 2^{77232740137412} is an apocalyptic number.

It is an amenable number.

77232740137412 is a deficient number, since it is larger than the sum of its proper divisors (57924930234088).

77232740137412 is a wasteful number, since it uses less digits than its factorization.

77232740137412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53590150 (or 53590148 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 77232740137412 in words is "seventy-seven trillion, two hundred thirty-two billion, seven hundred forty million, one hundred thirty-seven thousand, four hundred twelve".