87485996340 has 36 divisors (see below), whose sum is σ = 265374189444. Its totient is φ = 23329598976.

The previous prime is 87485996293. The next prime is 87485996359. The reversal of 87485996340 is 4369958478.

87485996340 is a `hidden beast` number, since 8 + 7 + 4 + 8 + 599 + 6 + 34 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24278002596 + 63207993744 = 155814^2 + 251412^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243016477 + ... + 243016836.

Almost surely, 2^87485996340 is an apocalyptic number.

It is an amenable number.

87485996340 is an abundant number, since it is smaller than the sum of its proper divisors (177888193104).

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

87485996340 is a wasteful number, since it uses less digits than its factorization.

87485996340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486033328 (or 486033323 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 87485996340 in words is "eighty-seven billion, four hundred eighty-five million, nine hundred ninety-six thousand, three hundred forty".