87205947486 has 48 divisors (see below), whose sum is σ = 203045345280. Its totient is φ = 24896576880.

The previous prime is 87205947467. The next prime is 87205947559. The reversal of 87205947486 is 68474950278.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 264675 + ... + 494433.

It is an arithmetic number, because the mean of its divisors is an integer number (4230111360).

Almost surely, 2^87205947486 is an apocalyptic number.

87205947486 is an abundant number, since it is smaller than the sum of its proper divisors (115839397794).

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

87205947486 is a wasteful number, since it uses less digits than its factorization.

87205947486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231069 (or 231062 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 87205947486 in words is "eighty-seven billion, two hundred five million, nine hundred forty-seven thousand, four hundred eighty-six".