67085883990 has 160 divisors (see below), whose sum is σ = 194130994464. Its totient is φ = 16561013760.

The previous prime is 67085883961. The next prime is 67085884003. The reversal of 67085883990 is 9938858076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 800037 + ... + 879903.

Almost surely, 2^67085883990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67085883990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97065497232).

67085883990 is an abundant number, since it is smaller than the sum of its proper divisors (127045110474).

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

67085883990 is a wasteful number, since it uses less digits than its factorization.

67085883990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79964 (or 79955 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 67085883990 in words is "sixty-seven billion, eighty-five million, eight hundred eighty-three thousand, nine hundred ninety".