85787803 has 2 divisors, whose sum is σ = 85787804. Its totient is φ = 85787802.

The previous prime is 85787789. The next prime is 85787813. The reversal of 85787803 is 30878758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85787803 - 2⁹ = 85787291 is a prime.

It is equal to p_4986838 and since 85787803 and 4986838 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (85787813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42893901 + 42893902.

It is an arithmetic number, because the mean of its divisors is an integer number (42893902).

Almost surely, 2^85787803 is an apocalyptic number.

85787803 is a deficient number, since it is larger than the sum of its proper divisors (1).

85787803 is an equidigital number, since it uses as much as digits as its factorization.

85787803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 85787803 is about 9262.1705339515. The cubic root of 85787803 is about 441.0371590252.

The spelling of 85787803 in words is "eighty-five million, seven hundred eighty-seven thousand, eight hundred three".