87365636292 has 432 divisors, whose sum is σ = 255601059840. Its totient is φ = 23098521600.

The previous prime is 87365636233. The next prime is 87365636299. The reversal of 87365636292 is 29263656378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87365636299) 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 143 ways as a sum of consecutive naturals, for example, 687918333 + ... + 687918459.

It is an arithmetic number, because the mean of its divisors is an integer number (591669120).

Almost surely, 2^87365636292 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 87365636292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127800529920).

87365636292 is an abundant number, since it is smaller than the sum of its proper divisors (168235423548).

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

87365636292 is a wasteful number, since it uses less digits than its factorization.

87365636292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 220 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The spelling of 87365636292 in words is "eighty-seven billion, three hundred sixty-five million, six hundred thirty-six thousand, two hundred ninety-two".