80699803 has 2 divisors, whose sum is σ = 80699804. Its totient is φ = 80699802.

The previous prime is 80699743. The next prime is 80699809. The reversal of 80699803 is 30899608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80699803 - 2⁹ = 80699291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80699803.

It is not a weakly prime, because it can be changed into another prime (80699809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40349901 + 40349902.

It is an arithmetic number, because the mean of its divisors is an integer number (40349902).

Almost surely, 2^80699803 is an apocalyptic number.

80699803 is a deficient number, since it is larger than the sum of its proper divisors (1).

80699803 is an equidigital number, since it uses as much as digits as its factorization.

80699803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 80699803 is about 8983.3069078152. The cubic root of 80699803 is about 432.1396921212.

The spelling of 80699803 in words is "eighty million, six hundred ninety-nine thousand, eight hundred three".