80476436 has 12 divisors (see below), whose sum is σ = 149118228. Its totient is φ = 37871232.

The previous prime is 80476423. The next prime is 80476439. The reversal of 80476436 is 63467408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51208336 + 29268100 = 7156^2 + 5410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80476436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80476439) 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, 591671 + ... + 591806.

It is an arithmetic number, because the mean of its divisors is an integer number (12426519).

Almost surely, 2^80476436 is an apocalyptic number.

It is an amenable number.

80476436 is a deficient number, since it is larger than the sum of its proper divisors (68641792).

80476436 is a wasteful number, since it uses less digits than its factorization.

80476436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183498 (or 1183496 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 80476436 is about 8970.8659559710. The cubic root of 80476436 is about 431.7406207592.

Subtracting from 80476436 its reverse (63467408), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 80476436 in words is "eighty million, four hundred seventy-six thousand, four hundred thirty-six".