85388840846 has 8 divisors (see below), whose sum is σ = 128132137224. Its totient is φ = 42678128440.

The previous prime is 85388840791. The next prime is 85388840869. The reversal of 85388840846 is 64804888358.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8139440 + ... + 8149923.

It is an arithmetic number, because the mean of its divisors is an integer number (16016517153).

Almost surely, 2^85388840846 is an apocalyptic number.

85388840846 is a deficient number, since it is larger than the sum of its proper divisors (42743296378).

85388840846 is a wasteful number, since it uses less digits than its factorization.

85388840846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16291986.

The product of its (nonzero) digits is 47185920, while the sum is 62.

The spelling of 85388840846 in words is "eighty-five billion, three hundred eighty-eight million, eight hundred forty thousand, eight hundred forty-six".