85018955 has 32 divisors (see below), whose sum is σ = 126365184. Its totient is φ = 53577216.

The previous prime is 85018951. The next prime is 85018963. The reversal of 85018955 is 55981058.

It is not a de Polignac number, because 85018955 - 2² = 85018951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85018951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23924 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (3948912).

Almost surely, 2^85018955 is an apocalyptic number.

85018955 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85018955 is a deficient number, since it is larger than the sum of its proper divisors (41346229).

85018955 is a wasteful number, since it uses less digits than its factorization.

85018955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 85018955 is about 9220.5723791964. The cubic root of 85018955 is about 439.7156478872.

The spelling of 85018955 in words is "eighty-five million, eighteen thousand, nine hundred fifty-five".