80479143 has 16 divisors (see below), whose sum is σ = 120104160. Its totient is φ = 53258688.

The previous prime is 80479121. The next prime is 80479159. The reversal of 80479143 is 34197408.

It is a happy number.

It is not a de Polignac number, because 80479143 - 2⁵ = 80479111 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80479098 and 80479107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80479183) 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, 7180 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (7506510).

Almost surely, 2^80479143 is an apocalyptic number.

80479143 is a deficient number, since it is larger than the sum of its proper divisors (39625017).

80479143 is a wasteful number, since it uses less digits than its factorization.

80479143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21903 (or 21897 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80479143 is about 8971.0168319985. The cubic root of 80479143 is about 431.7454615499.

The spelling of 80479143 in words is "eighty million, four hundred seventy-nine thousand, one hundred forty-three".