80403247399 has 2 divisors, whose sum is σ = 80403247400. Its totient is φ = 80403247398.

The previous prime is 80403247391. The next prime is 80403247439. The reversal of 80403247399 is 99374230408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80403247399 - 2³ = 80403247391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80403247391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40201623699 + 40201623700.

It is an arithmetic number, because the mean of its divisors is an integer number (40201623700).

Almost surely, 2^80403247399 is an apocalyptic number.

80403247399 is a deficient number, since it is larger than the sum of its proper divisors (1).

80403247399 is an equidigital number, since it uses as much as digits as its factorization.

80403247399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 80403247399 in words is "eighty billion, four hundred three million, two hundred forty-seven thousand, three hundred ninety-nine".