77343751008 has 36 divisors (see below), whose sum is σ = 219946292748. Its totient is φ = 25781250240.

The previous prime is 77343750997. The next prime is 77343751063. The reversal of 77343751008 is 80015734377.

77343751008 is a `hidden beast` number, since 77 + 34 + 37 + 510 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134277058 + ... + 134277633.

It is an arithmetic number, because the mean of its divisors is an integer number (6109619243).

Almost surely, 2^77343751008 is an apocalyptic number.

It is an amenable number.

77343751008 is an abundant number, since it is smaller than the sum of its proper divisors (142602541740).

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

77343751008 is a wasteful number, since it uses less digits than its factorization.

77343751008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268554707 (or 268554696 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 77343751008 in words is "seventy-seven billion, three hundred forty-three million, seven hundred fifty-one thousand, eight".