807923985 has 32 divisors (see below), whose sum is σ = 1484421120. Its totient is φ = 371102400.

The previous prime is 807923959. The next prime is 807924037. The reversal of 807923985 is 589329708.

It is not a de Polignac number, because 807923985 - 2¹³ = 807915793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125721 + ... + 131990.

It is an arithmetic number, because the mean of its divisors is an integer number (46388160).

Almost surely, 2^807923985 is an apocalyptic number.

It is an amenable number.

807923985 is a deficient number, since it is larger than the sum of its proper divisors (676497135).

807923985 is a wasteful number, since it uses less digits than its factorization.

807923985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257749.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 807923985 is about 28424.0036764704. The cubic root of 807923985 is about 931.3726925113.

The spelling of 807923985 in words is "eight hundred seven million, nine hundred twenty-three thousand, nine hundred eighty-five".