80403404047 has 2 divisors, whose sum is σ = 80403404048. Its totient is φ = 80403404046.

The previous prime is 80403404021. The next prime is 80403404077. The reversal of 80403404047 is 74040430408.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80403404047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80403404077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40201702023 + 40201702024.

It is an arithmetic number, because the mean of its divisors is an integer number (40201702024).

Almost surely, 2^80403404047 is an apocalyptic number.

80403404047 is a deficient number, since it is larger than the sum of its proper divisors (1).

80403404047 is an equidigital number, since it uses as much as digits as its factorization.

80403404047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 80403404047 in words is "eighty billion, four hundred three million, four hundred four thousand, forty-seven".