85251943435 has 8 divisors (see below), whose sum is σ = 102312894960. Its totient is φ = 68194512864.

The previous prime is 85251943433. The next prime is 85251943459. The reversal of 85251943435 is 53434915258.

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 85251943435 - 2¹ = 85251943433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85251943433) 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, 826672 + ... + 924061.

It is an arithmetic number, because the mean of its divisors is an integer number (12789111870).

Almost surely, 2^85251943435 is an apocalyptic number.

85251943435 is a deficient number, since it is larger than the sum of its proper divisors (17060951525).

85251943435 is a wasteful number, since it uses less digits than its factorization.

85251943435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760477.

The product of its digits is 2592000, while the sum is 49.

The spelling of 85251943435 in words is "eighty-five billion, two hundred fifty-one million, nine hundred forty-three thousand, four hundred thirty-five".