85228941278 has 48 divisors (see below), whose sum is σ = 146667062880. Its totient is φ = 36999825408.

The previous prime is 85228941277. The next prime is 85228941353. The reversal of 85228941278 is 87214982258.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85228941271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12229751 + ... + 12236717.

It is an arithmetic number, because the mean of its divisors is an integer number (3055563810).

Almost surely, 2^85228941278 is an apocalyptic number.

85228941278 is a deficient number, since it is larger than the sum of its proper divisors (61438121602).

85228941278 is a wasteful number, since it uses less digits than its factorization.

85228941278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9128 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 85228941278 in words is "eighty-five billion, two hundred twenty-eight million, nine hundred forty-one thousand, two hundred seventy-eight".