68216486277 has 8 divisors (see below), whose sum is σ = 95742436960. Its totient is φ = 43084096560.

The previous prime is 68216486269. The next prime is 68216486281. The reversal of 68216486277 is 77268461286.

68216486277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 68216486277 - 2³ = 68216486269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1196780461 = 68216486277 / (6 + 8 + 2 + 1 + 6 + 4 + 8 + 6 + 2 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68216486257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598390174 + ... + 598390287.

It is an arithmetic number, because the mean of its divisors is an integer number (11967804620).

Almost surely, 2^68216486277 is an apocalyptic number.

It is an amenable number.

68216486277 is a deficient number, since it is larger than the sum of its proper divisors (27525950683).

68216486277 is a wasteful number, since it uses less digits than its factorization.

68216486277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196780483.

The product of its digits is 10838016, while the sum is 57.

The spelling of 68216486277 in words is "sixty-eight billion, two hundred sixteen million, four hundred eighty-six thousand, two hundred seventy-seven".