85385951618 has 8 divisors (see below), whose sum is σ = 139722466320. Its totient is φ = 38811796180.

The previous prime is 85385951603. The next prime is 85385951633. The reversal of 85385951618 is 81615958358.

It is an interprime number because it is at equal distance from previous prime (85385951603) and next prime (85385951633).

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

It is a super-2 number, since 2×85385951618² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1940589788 + ... + 1940589831.

It is an arithmetic number, because the mean of its divisors is an integer number (17465308290).

Almost surely, 2^85385951618 is an apocalyptic number.

85385951618 is a deficient number, since it is larger than the sum of its proper divisors (54336514702).

85385951618 is a wasteful number, since it uses less digits than its factorization.

85385951618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881179632.

The product of its digits is 10368000, while the sum is 59.

The spelling of 85385951618 in words is "eighty-five billion, three hundred eighty-five million, nine hundred fifty-one thousand, six hundred eighteen".