85378032011 has 8 divisors (see below), whose sum is σ = 85586535360. Its totient is φ = 85169633472.

The previous prime is 85378032007. The next prime is 85378032037. The reversal of 85378032011 is 11023087358.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85378032011 - 2² = 85378032007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85378032041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750625 + ... + 1798733.

It is an arithmetic number, because the mean of its divisors is an integer number (10698316920).

Almost surely, 2^85378032011 is an apocalyptic number.

85378032011 is a deficient number, since it is larger than the sum of its proper divisors (208503349).

85378032011 is a wasteful number, since it uses less digits than its factorization.

85378032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52405.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 85378032011 in words is "eighty-five billion, three hundred seventy-eight million, thirty-two thousand, eleven".