80529893 has 2 divisors, whose sum is σ = 80529894. Its totient is φ = 80529892.

The previous prime is 80529859. The next prime is 80529899. The reversal of 80529893 is 39892508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 29235649 = 7162^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 80529893 - 2¹⁴ = 80513509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80529899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40264946 + 40264947.

It is an arithmetic number, because the mean of its divisors is an integer number (40264947).

Almost surely, 2^80529893 is an apocalyptic number.

It is an amenable number.

80529893 is a deficient number, since it is larger than the sum of its proper divisors (1).

80529893 is an equidigital number, since it uses as much as digits as its factorization.

80529893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 80529893 is about 8973.8449396009. The cubic root of 80529893 is about 431.8361951126.

The spelling of 80529893 in words is "eighty million, five hundred twenty-nine thousand, eight hundred ninety-three".