87564475948 has 12 divisors (see below), whose sum is σ = 153250162912. Its totient is φ = 43778715120.

The previous prime is 87564475939. The next prime is 87564475949. The reversal of 87564475948 is 84957446578.

It is not an unprimeable number, because it can be changed into a prime (87564475949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824388 + ... + 924523.

Almost surely, 2^87564475948 is an apocalyptic number.

It is an amenable number.

87564475948 is a deficient number, since it is larger than the sum of its proper divisors (65685686964).

87564475948 is a wasteful number, since it uses less digits than its factorization.

87564475948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761432 (or 1761430 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 67.

The spelling of 87564475948 in words is "eighty-seven billion, five hundred sixty-four million, four hundred seventy-five thousand, nine hundred forty-eight".