77042853328 has 40 divisors (see below), whose sum is σ = 172283973120. Its totient is φ = 32691446400.

The previous prime is 77042853319. The next prime is 77042853331. The reversal of 77042853328 is 82335824077.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394048 + ... + 3416671.

It is an arithmetic number, because the mean of its divisors is an integer number (4307099328).

Almost surely, 2^77042853328 is an apocalyptic number.

It is an amenable number.

77042853328 is an abundant number, since it is smaller than the sum of its proper divisors (95241119792).

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

77042853328 is a wasteful number, since it uses less digits than its factorization.

77042853328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810835 (or 6810829 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 77042853328 in words is "seventy-seven billion, forty-two million, eight hundred fifty-three thousand, three hundred twenty-eight".