77828151743 has 4 divisors (see below), whose sum is σ = 77947337928. Its totient is φ = 77708965560.

The previous prime is 77828151733. The next prime is 77828151767. The reversal of 77828151743 is 34715182877.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77828151743 - 2¹⁶ = 77828086207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77828151733) 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 3 ways as a sum of consecutive naturals, for example, 59592113 + ... + 59593418.

It is an arithmetic number, because the mean of its divisors is an integer number (19486834482).

Almost surely, 2^77828151743 is an apocalyptic number.

77828151743 is a deficient number, since it is larger than the sum of its proper divisors (119186185).

77828151743 is a wasteful number, since it uses less digits than its factorization.

77828151743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119186184.

The product of its digits is 2634240, while the sum is 53.

The spelling of 77828151743 in words is "seventy-seven billion, eight hundred twenty-eight million, one hundred fifty-one thousand, seven hundred forty-three".