85798388 has 48 divisors (see below), whose sum is σ = 173746944. Its totient is φ = 36718080.

The previous prime is 85798387. The next prime is 85798393. The reversal of 85798388 is 88389758.

It is a super-3 number, since 3×85798388³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85798381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62081 + ... + 63447.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 2^85798388 is an apocalyptic number.

It is an amenable number.

85798388 is an abundant number, since it is smaller than the sum of its proper divisors (87948556).

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

85798388 is a wasteful number, since it uses less digits than its factorization.

85798388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 56.

The square root of 85798388 is about 9262.7419266651. The cubic root of 85798388 is about 441.0552975258.

The spelling of 85798388 in words is "eighty-five million, seven hundred ninety-eight thousand, three hundred eighty-eight".