85257750837 has 32 divisors (see below), whose sum is σ = 134882795520. Its totient is φ = 46874554560.

The previous prime is 85257750833. The next prime is 85257750901. The reversal of 85257750837 is 73805775258.

It is not a de Polignac number, because 85257750837 - 2² = 85257750833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85257750833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265887 + ... + 491132.

It is an arithmetic number, because the mean of its divisors is an integer number (4215087360).

Almost surely, 2^85257750837 is an apocalyptic number.

It is an amenable number.

85257750837 is a deficient number, since it is larger than the sum of its proper divisors (49625044683).

85257750837 is a wasteful number, since it uses less digits than its factorization.

85257750837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757233.

The product of its (nonzero) digits is 16464000, while the sum is 57.

The spelling of 85257750837 in words is "eighty-five billion, two hundred fifty-seven million, seven hundred fifty thousand, eight hundred thirty-seven".