67842530831 has 8 divisors (see below), whose sum is σ = 68041405440. Its totient is φ = 67643711928.

The previous prime is 67842530809. The next prime is 67842530837. The reversal of 67842530831 is 13803524876.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67842530831 is a prime.

It is a super-2 number, since 2×67842530831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67842530837) 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, 4906730 + ... + 4920536.

It is an arithmetic number, because the mean of its divisors is an integer number (8505175680).

Almost surely, 2^67842530831 is an apocalyptic number.

67842530831 is a deficient number, since it is larger than the sum of its proper divisors (198874609).

67842530831 is a wasteful number, since it uses less digits than its factorization.

67842530831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27853.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 67842530831 in words is "sixty-seven billion, eight hundred forty-two million, five hundred thirty thousand, eight hundred thirty-one".