85441788 has 18 divisors (see below), whose sum is σ = 215977944. Its totient is φ = 28480584.

The previous prime is 85441787. The next prime is 85441789. The reversal of 85441788 is 88714458.

It is an interprime number because it is at equal distance from previous prime (85441787) and next prime (85441789).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85441787) 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 5 ways as a sum of consecutive naturals, for example, 1186656 + ... + 1186727.

Almost surely, 2^85441788 is an apocalyptic number.

It is an amenable number.

85441788 is an abundant number, since it is smaller than the sum of its proper divisors (130536156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85441788 is a wasteful number, since it uses less digits than its factorization.

85441788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373393 (or 2373388 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 85441788 is about 9243.4727240361. The cubic root of 85441788 is about 440.4434028801.

The spelling of 85441788 in words is "eighty-five million, four hundred forty-one thousand, seven hundred eighty-eight".