67886061940 has 24 divisors (see below), whose sum is σ = 143944819200. Its totient is φ = 26890788768.

The previous prime is 67886061917. The next prime is 67886062019. The reversal of 67886061940 is 4916068876.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16475140 + ... + 16479259.

It is an arithmetic number, because the mean of its divisors is an integer number (5997700800).

Almost surely, 2^67886061940 is an apocalyptic number.

It is an amenable number.

67886061940 is an abundant number, since it is smaller than the sum of its proper divisors (76058757260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67886061940 is a wasteful number, since it uses less digits than its factorization.

67886061940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32954511 (or 32954509 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 67886061940 in words is "sixty-seven billion, eight hundred eighty-six million, sixty-one thousand, nine hundred forty".