80873928069 has 32 divisors (see below), whose sum is σ = 119644905600. Its totient is φ = 48183336960.

The previous prime is 80873928029. The next prime is 80873928101. The reversal of 80873928069 is 96082937808.

It is not a de Polignac number, because 80873928069 - 2¹⁵ = 80873895301 is a prime.

It is a super-2 number, since 2×80873928069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80873928019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428517 + ... + 587685.

It is an arithmetic number, because the mean of its divisors is an integer number (3738903300).

Almost surely, 2^80873928069 is an apocalyptic number.

80873928069 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

80873928069 is a deficient number, since it is larger than the sum of its proper divisors (38770977531).

80873928069 is a wasteful number, since it uses less digits than its factorization.

80873928069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159445.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 80873928069 in words is "eighty billion, eight hundred seventy-three million, nine hundred twenty-eight thousand, sixty-nine".