67377472671 has 4 divisors (see below), whose sum is σ = 89836630232. Its totient is φ = 44918315112.

The previous prime is 67377472661. The next prime is 67377472693. The reversal of 67377472671 is 17627477376.

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

It is not a de Polignac number, because 67377472671 - 2¹⁴ = 67377456287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67377472651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11229578776 + ... + 11229578781.

It is an arithmetic number, because the mean of its divisors is an integer number (22459157558).

Almost surely, 2^67377472671 is an apocalyptic number.

67377472671 is a deficient number, since it is larger than the sum of its proper divisors (22459157561).

67377472671 is a wasteful number, since it uses less digits than its factorization.

67377472671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459157560.

The product of its digits is 14521248, while the sum is 57.

The spelling of 67377472671 in words is "sixty-seven billion, three hundred seventy-seven million, four hundred seventy-two thousand, six hundred seventy-one".