80337421 has 2 divisors, whose sum is σ = 80337422. Its totient is φ = 80337420.

The previous prime is 80337353. The next prime is 80337431. The reversal of 80337421 is 12473308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 2368521 = 8830^2 + 1539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80337421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80337421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80337431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40168710 + 40168711.

It is an arithmetic number, because the mean of its divisors is an integer number (40168711).

Almost surely, 2^80337421 is an apocalyptic number.

It is an amenable number.

80337421 is a deficient number, since it is larger than the sum of its proper divisors (1).

80337421 is an equidigital number, since it uses as much as digits as its factorization.

80337421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 80337421 is about 8963.1144698704. The cubic root of 80337421 is about 431.4918812225.

The spelling of 80337421 in words is "eighty million, three hundred thirty-seven thousand, four hundred twenty-one".