80459643 has 16 divisors (see below), whose sum is σ = 117380736. Its totient is φ = 48618240.

The previous prime is 80459641. The next prime is 80459653. The reversal of 80459643 is 34695408.

It is not a de Polignac number, because 80459643 - 2¹ = 80459641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80459641) 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, 8196 + ... + 15102.

It is an arithmetic number, because the mean of its divisors is an integer number (7336296).

Almost surely, 2^80459643 is an apocalyptic number.

80459643 is a deficient number, since it is larger than the sum of its proper divisors (36921093).

80459643 is a wasteful number, since it uses less digits than its factorization.

80459643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 80459643 is about 8969.9299328367. The cubic root of 80459643 is about 431.7105882637.

The spelling of 80459643 in words is "eighty million, four hundred fifty-nine thousand, six hundred forty-three".