80385621708 has 72 divisors (see below), whose sum is σ = 218323402752. Its totient is φ = 22953230496.

The previous prime is 80385621707. The next prime is 80385621749. The reversal of 80385621708 is 80712658308.

It is not an unprimeable number, because it can be changed into a prime (80385621703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936741 + ... + 1018947.

Almost surely, 2^80385621708 is an apocalyptic number.

It is an amenable number.

80385621708 is an abundant number, since it is smaller than the sum of its proper divisors (137937781044).

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

80385621708 is a wasteful number, since it uses less digits than its factorization.

80385621708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83891 (or 83882 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 80385621708 in words is "eighty billion, three hundred eighty-five million, six hundred twenty-one thousand, seven hundred eight".