87648526071 has 18 divisors (see below), whose sum is σ = 130117637832. Its totient is φ = 56853090000.

The previous prime is 87648526057. The next prime is 87648526073. The reversal of 87648526071 is 17062584678.

87648526071 is a `hidden beast` number, since 8 + 7 + 6 + 48 + 526 + 0 + 71 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-87648526071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87648525999 and 87648526017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87648526073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3544555 + ... + 3569196.

Almost surely, 2^87648526071 is an apocalyptic number.

87648526071 is a deficient number, since it is larger than the sum of its proper divisors (42469111761).

87648526071 is a wasteful number, since it uses less digits than its factorization.

87648526071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113831 (or 7113791 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 87648526071 in words is "eighty-seven billion, six hundred forty-eight million, five hundred twenty-six thousand, seventy-one".