85195110278 has 4 divisors (see below), whose sum is σ = 127792665420. Its totient is φ = 42597555138.

The previous prime is 85195110271. The next prime is 85195110289. The reversal of 85195110278 is 87201159158.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85195110271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21298777568 + ... + 21298777571.

It is an arithmetic number, because the mean of its divisors is an integer number (31948166355).

Almost surely, 2^85195110278 is an apocalyptic number.

85195110278 is a deficient number, since it is larger than the sum of its proper divisors (42597555142).

85195110278 is a wasteful number, since it uses less digits than its factorization.

85195110278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42597555141.

The product of its (nonzero) digits is 201600, while the sum is 47.

The spelling of 85195110278 in words is "eighty-five billion, one hundred ninety-five million, one hundred ten thousand, two hundred seventy-eight".