77007068738 has 8 divisors (see below), whose sum is σ = 116972762880. Its totient is φ = 38016147780.

The previous prime is 77007068693. The next prime is 77007068759. The reversal of 77007068738 is 83786070077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77007068738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243693098 + ... + 243693413.

It is an arithmetic number, because the mean of its divisors is an integer number (14621595360).

Almost surely, 2^77007068738 is an apocalyptic number.

77007068738 is a deficient number, since it is larger than the sum of its proper divisors (39965694142).

77007068738 is a wasteful number, since it uses less digits than its factorization.

77007068738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487386592.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The spelling of 77007068738 in words is "seventy-seven billion, seven million, sixty-eight thousand, seven hundred thirty-eight".