806973899 has 2 divisors, whose sum is σ = 806973900. Its totient is φ = 806973898.

The previous prime is 806973889. The next prime is 806973917. The reversal of 806973899 is 998379608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 806973899 - 2¹⁶ = 806908363 is a prime.

It is not a weakly prime, because it can be changed into another prime (806973829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403486949 + 403486950.

It is an arithmetic number, because the mean of its divisors is an integer number (403486950).

Almost surely, 2^806973899 is an apocalyptic number.

806973899 is a deficient number, since it is larger than the sum of its proper divisors (1).

806973899 is an equidigital number, since it uses as much as digits as its factorization.

806973899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 806973899 is about 28407.2860196112. The cubic root of 806973899 is about 931.0074637431.

The spelling of 806973899 in words is "eight hundred six million, nine hundred seventy-three thousand, eight hundred ninety-nine".