85378310 has 16 divisors (see below), whose sum is σ = 156286800. Its totient is φ = 33572256.

The previous prime is 85378289. The next prime is 85378331. The reversal of 85378310 is 1387358.

It is an interprime number because it is at equal distance from previous prime (85378289) and next prime (85378331).

It is a super-2 number, since 2×85378310² = 14578911636912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71765 + ... + 72944.

It is an arithmetic number, because the mean of its divisors is an integer number (9767925).

Almost surely, 2^85378310 is an apocalyptic number.

85378310 is a deficient number, since it is larger than the sum of its proper divisors (70908490).

85378310 is a wasteful number, since it uses less digits than its factorization.

85378310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144775.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85378310 is about 9240.0384198335. The cubic root of 85378310 is about 440.3343017262.

The spelling of 85378310 in words is "eighty-five million, three hundred seventy-eight thousand, three hundred ten".