80007865723 has 2 divisors, whose sum is σ = 80007865724. Its totient is φ = 80007865722.

The previous prime is 80007865699. The next prime is 80007865727. The reversal of 80007865723 is 32756870008.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80007865723 is a prime.

It is not a weakly prime, because it can be changed into another prime (80007865727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40003932861 + 40003932862.

It is an arithmetic number, because the mean of its divisors is an integer number (40003932862).

Almost surely, 2^80007865723 is an apocalyptic number.

80007865723 is a deficient number, since it is larger than the sum of its proper divisors (1).

80007865723 is an equidigital number, since it uses as much as digits as its factorization.

80007865723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 80007865723 in words is "eighty billion, seven million, eight hundred sixty-five thousand, seven hundred twenty-three".