80400059 has 2 divisors, whose sum is σ = 80400060. Its totient is φ = 80400058.

The previous prime is 80400029. The next prime is 80400091. The reversal of 80400059 is 95000408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80400059 - 2¹⁶ = 80334523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80400029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200029 + 40200030.

It is an arithmetic number, because the mean of its divisors is an integer number (40200030).

Almost surely, 2^80400059 is an apocalyptic number.

80400059 is a deficient number, since it is larger than the sum of its proper divisors (1).

80400059 is an equidigital number, since it uses as much as digits as its factorization.

80400059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80400059 is about 8966.6079985689. The cubic root of 80400059 is about 431.6039948833.

The spelling of 80400059 in words is "eighty million, four hundred thousand, fifty-nine".