85869465 has 80 divisors (see below), whose sum is σ = 166976640. Its totient is φ = 37480960.

The previous prime is 85869463. The next prime is 85869467. The reversal of 85869465 is 56496858.

It is an interprime number because it is at equal distance from previous prime (85869463) and next prime (85869467).

It is not a de Polignac number, because 85869465 - 2¹ = 85869463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85869461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3733444 + ... + 3733466.

It is an arithmetic number, because the mean of its divisors is an integer number (2087208).

Almost surely, 2^85869465 is an apocalyptic number.

85869465 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85869465 is a deficient number, since it is larger than the sum of its proper divisors (81107175).

85869465 is a wasteful number, since it uses less digits than its factorization.

85869465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 59 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 85869465 is about 9266.5778472962. The cubic root of 85869465 is about 441.1770567469.

The spelling of 85869465 in words is "eighty-five million, eight hundred sixty-nine thousand, four hundred sixty-five".