85810078303 has 2 divisors, whose sum is σ = 85810078304. Its totient is φ = 85810078302.

The previous prime is 85810078301. The next prime is 85810078397. The reversal of 85810078303 is 30387001858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85810078303 - 2¹ = 85810078301 is a prime.

Together with 85810078301, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85810078303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85810078301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42905039151 + 42905039152.

It is an arithmetic number, because the mean of its divisors is an integer number (42905039152).

Almost surely, 2^85810078303 is an apocalyptic number.

85810078303 is a deficient number, since it is larger than the sum of its proper divisors (1).

85810078303 is an equidigital number, since it uses as much as digits as its factorization.

85810078303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 85810078303 in words is "eighty-five billion, eight hundred ten million, seventy-eight thousand, three hundred three".