85825381724 has 12 divisors (see below), whose sum is σ = 150199689024. Its totient is φ = 42911184864.

The previous prime is 85825381711. The next prime is 85825381727. The reversal of 85825381724 is 42718352858.

It is a super-2 number, since 2×85825381724² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85825381727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243017 + ... + 480320.

It is an arithmetic number, because the mean of its divisors is an integer number (12516640752).

Almost surely, 2^85825381724 is an apocalyptic number.

It is an amenable number.

85825381724 is a deficient number, since it is larger than the sum of its proper divisors (64374307300).

85825381724 is a wasteful number, since it uses less digits than its factorization.

85825381724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753004 (or 753002 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 53.

The spelling of 85825381724 in words is "eighty-five billion, eight hundred twenty-five million, three hundred eighty-one thousand, seven hundred twenty-four".