85841378948 has 24 divisors (see below), whose sum is σ = 161840058072. Its totient is φ = 39603896064.

The previous prime is 85841378933. The next prime is 85841378957. The reversal of 85841378948 is 84987314858.

It can be written as a sum of positive squares in 4 ways, for example, as 51043461184 + 34797917764 = 225928^2 + 186542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179315 + ... + 451482.

It is an arithmetic number, because the mean of its divisors is an integer number (6743335753).

Almost surely, 2^85841378948 is an apocalyptic number.

It is an amenable number.

85841378948 is a deficient number, since it is larger than the sum of its proper divisors (75998679124).

85841378948 is a wasteful number, since it uses less digits than its factorization.

85841378948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633431 (or 633429 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 65.

The spelling of 85841378948 in words is "eighty-five billion, eight hundred forty-one million, three hundred seventy-eight thousand, nine hundred forty-eight".