80869243 has 16 divisors (see below), whose sum is σ = 99742720. Its totient is φ = 63848736.

The previous prime is 80869211. The next prime is 80869253. The reversal of 80869243 is 34296808.

It is not a de Polignac number, because 80869243 - 2⁵ = 80869211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80869196 and 80869205.

It is not an unprimeable number, because it can be changed into a prime (80869253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83146 + ... + 84112.

It is an arithmetic number, because the mean of its divisors is an integer number (6233920).

Almost surely, 2^80869243 is an apocalyptic number.

80869243 is a deficient number, since it is larger than the sum of its proper divisors (18873477).

80869243 is a wasteful number, since it uses less digits than its factorization.

80869243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80869243 is about 8992.7327882018. The cubic root of 80869243 is about 432.4419256671.

The spelling of 80869243 in words is "eighty million, eight hundred sixty-nine thousand, two hundred forty-three".