85387843270 has 16 divisors (see below), whose sum is σ = 162739183968. Its totient is φ = 32146011520.

The previous prime is 85387843217. The next prime is 85387843283. The reversal of 85387843270 is 7234878358.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 251140546 + ... + 251140885.

It is an arithmetic number, because the mean of its divisors is an integer number (10171198998).

Almost surely, 2^85387843270 is an apocalyptic number.

85387843270 is a deficient number, since it is larger than the sum of its proper divisors (77351340698).

85387843270 is a wasteful number, since it uses less digits than its factorization.

85387843270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502281455.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 85387843270 in words is "eighty-five billion, three hundred eighty-seven million, eight hundred forty-three thousand, two hundred seventy".