80019793 has 6 divisors (see below), whose sum is σ = 93084306. Its totient is φ = 68588352.

The previous prime is 80019763. The next prime is 80019809. The reversal of 80019793 is 39791008.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 27123264 = 7273^2 + 5208^2 .

It is not a de Polignac number, because 80019793 - 2²⁵ = 46465361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80019733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 816480 + ... + 816577.

It is an arithmetic number, because the mean of its divisors is an integer number (15514051).

Almost surely, 2^80019793 is an apocalyptic number.

It is an amenable number.

80019793 is a deficient number, since it is larger than the sum of its proper divisors (13064513).

80019793 is a wasteful number, since it uses less digits than its factorization.

80019793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633071 (or 1633064 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 80019793 is about 8945.3783039064. The cubic root of 80019793 is about 430.9224706810.

The spelling of 80019793 in words is "eighty million, nineteen thousand, seven hundred ninety-three".