87641873592 has 192 divisors, whose sum is σ = 271642740480. Its totient is φ = 23072265216.

The previous prime is 87641873573. The next prime is 87641873597. The reversal of 87641873592 is 29537814678.

It is a super-2 number, since 2×87641873592² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87641873597) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17515363 + ... + 17520365.

It is an arithmetic number, because the mean of its divisors is an integer number (1414805940).

Almost surely, 2^87641873592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87641873592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135821370240).

87641873592 is an abundant number, since it is smaller than the sum of its proper divisors (184000866888).

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

87641873592 is a wasteful number, since it uses less digits than its factorization.

87641873592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662 (or 5645 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 87641873592 in words is "eighty-seven billion, six hundred forty-one million, eight hundred seventy-three thousand, five hundred ninety-two".