87485663331 has 48 divisors (see below), whose sum is σ = 142613133600. Its totient is φ = 52965411840.

The previous prime is 87485663281. The next prime is 87485663333. The reversal of 87485663331 is 13336658478.

87485663331 is a `hidden beast` number, since 8 + 7 + 48 + 566 + 3 + 3 + 31 = 666.

It is not a de Polignac number, because 87485663331 - 2¹⁰ = 87485662307 is a prime.

It is a super-2 number, since 2×87485663331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87485663333) 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 47 ways as a sum of consecutive naturals, for example, 3178155 + ... + 3205563.

It is an arithmetic number, because the mean of its divisors is an integer number (2971106950).

Almost surely, 2^87485663331 is an apocalyptic number.

87485663331 is a deficient number, since it is larger than the sum of its proper divisors (55127470269).

87485663331 is a wasteful number, since it uses less digits than its factorization.

87485663331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28417 (or 28400 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 87485663331 in words is "eighty-seven billion, four hundred eighty-five million, six hundred sixty-three thousand, three hundred thirty-one".