67871540551 has 8 divisors (see below), whose sum is σ = 68997482208. Its totient is φ = 66754500000.

The previous prime is 67871540549. The next prime is 67871540567. The reversal of 67871540551 is 15504517876.

It is a happy number.

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 67871540551 - 2¹ = 67871540549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67871540495 and 67871540504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67871540501) 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, 2209900 + ... + 2240401.

It is an arithmetic number, because the mean of its divisors is an integer number (8624685276).

Almost surely, 2^67871540551 is an apocalyptic number.

67871540551 is a deficient number, since it is larger than the sum of its proper divisors (1125941657).

67871540551 is a wasteful number, since it uses less digits than its factorization.

67871540551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450553.

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 67871540551 in words is "sixty-seven billion, eight hundred seventy-one million, five hundred forty thousand, five hundred fifty-one".