80789699203 has 4 divisors (see below), whose sum is σ = 80861641288. Its totient is φ = 80717757120.

The previous prime is 80789699201. The next prime is 80789699219. The reversal of 80789699203 is 30299698708.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80789699203 - 2¹ = 80789699201 is a prime.

It is a super-2 number, since 2×80789699203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80789699201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35969358 + ... + 35971603.

It is an arithmetic number, because the mean of its divisors is an integer number (20215410322).

Almost surely, 2^80789699203 is an apocalyptic number.

80789699203 is a deficient number, since it is larger than the sum of its proper divisors (71942085).

80789699203 is a wasteful number, since it uses less digits than its factorization.

80789699203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71942084.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 80789699203 in words is "eighty billion, seven hundred eighty-nine million, six hundred ninety-nine thousand, two hundred three".