80478407 has 4 divisors (see below), whose sum is σ = 80502240. Its totient is φ = 80454576.

The previous prime is 80478401. The next prime is 80478427. The reversal of 80478407 is 70487408.

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 80478407 - 2¹⁴ = 80462023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80478401) 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, 5807 + ... + 13952.

It is an arithmetic number, because the mean of its divisors is an integer number (20125560).

Almost surely, 2^80478407 is an apocalyptic number.

80478407 is a deficient number, since it is larger than the sum of its proper divisors (23833).

80478407 is a wasteful number, since it uses less digits than its factorization.

80478407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23832.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 80478407 is about 8970.9758109138. The cubic root of 80478407 is about 431.7441454092.

Subtracting from 80478407 its reverse (70487408), we obtain a palindrome (9990999).

The spelling of 80478407 in words is "eighty million, four hundred seventy-eight thousand, four hundred seven".