77828347476674 has 16 divisors (see below), whose sum is σ = 121829926528512. Its totient is φ = 37218695398368.

The previous prime is 77828347476641. The next prime is 77828347476757. The reversal of 77828347476674 is 47667474382877.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80371259 + ... + 81333854.

It is an arithmetic number, because the mean of its divisors is an integer number (7614370408032).

Almost surely, 2^{77828347476674} is an apocalyptic number.

77828347476674 is a deficient number, since it is larger than the sum of its proper divisors (44001579051838).

77828347476674 is a wasteful number, since it uses less digits than its factorization.

77828347476674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161715601.

The product of its digits is 14869757952, while the sum is 80.

The spelling of 77828347476674 in words is "seventy-seven trillion, eight hundred twenty-eight billion, three hundred forty-seven million, four hundred seventy-six thousand, six hundred seventy-four".