80574479 has 2 divisors, whose sum is σ = 80574480. Its totient is φ = 80574478.

The previous prime is 80574457. The next prime is 80574517. The reversal of 80574479 is 97447508.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80574479 is a prime.

It is a super-2 number, since 2×80574479² = 12984493332242882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80574409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40287239 + 40287240.

It is an arithmetic number, because the mean of its divisors is an integer number (40287240).

Almost surely, 2^80574479 is an apocalyptic number.

80574479 is a deficient number, since it is larger than the sum of its proper divisors (1).

80574479 is an equidigital number, since it uses as much as digits as its factorization.

80574479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 80574479 is about 8976.3288152785. The cubic root of 80574479 is about 431.9158768954.

The spelling of 80574479 in words is "eighty million, five hundred seventy-four thousand, four hundred seventy-nine".