77800758086 has 8 divisors (see below), whose sum is σ = 116755958520. Its totient is φ = 38882105248.

The previous prime is 77800758071. The next prime is 77800758109. The reversal of 77800758086 is 68085700877.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9131576 + ... + 9140091.

It is an arithmetic number, because the mean of its divisors is an integer number (14594494815).

Almost surely, 2^77800758086 is an apocalyptic number.

77800758086 is a deficient number, since it is larger than the sum of its proper divisors (38955200434).

77800758086 is a wasteful number, since it uses less digits than its factorization.

77800758086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273798.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 77800758086 in words is "seventy-seven billion, eight hundred million, seven hundred fifty-eight thousand, eighty-six".