67899805797 has 8 divisors (see below), whose sum is σ = 90535439520. Its totient is φ = 45265354640.

The previous prime is 67899805789. The next prime is 67899805817. The reversal of 67899805797 is 79750899876.

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

It is a cyclic number.

It is not a de Polignac number, because 67899805797 - 2³ = 67899805789 is a prime.

It is a super-2 number, since 2×67899805797² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67899805717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151647 + ... + 398492.

It is an arithmetic number, because the mean of its divisors is an integer number (11316929940).

Almost surely, 2^67899805797 is an apocalyptic number.

It is an amenable number.

67899805797 is a deficient number, since it is larger than the sum of its proper divisors (22635633723).

67899805797 is a wasteful number, since it uses less digits than its factorization.

67899805797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591283.

The product of its (nonzero) digits is 480090240, while the sum is 75.

The spelling of 67899805797 in words is "sixty-seven billion, eight hundred ninety-nine million, eight hundred five thousand, seven hundred ninety-seven".