67768050331 has 4 divisors (see below), whose sum is σ = 67780649664. Its totient is φ = 67755451000.

The previous prime is 67768050323. The next prime is 67768050391. The reversal of 67768050331 is 13305086776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67768050331 - 2³ = 67768050323 is a prime.

It is a super-2 number, since 2×67768050331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67768050391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6291595 + ... + 6302356.

It is an arithmetic number, because the mean of its divisors is an integer number (16945162416).

Almost surely, 2^67768050331 is an apocalyptic number.

67768050331 is a deficient number, since it is larger than the sum of its proper divisors (12599333).

67768050331 is a wasteful number, since it uses less digits than its factorization.

67768050331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599332.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 67768050331 in words is "sixty-seven billion, seven hundred sixty-eight million, fifty thousand, three hundred thirty-one".