87071972548 has 96 divisors (see below), whose sum is σ = 178321489920. Its totient is φ = 36811152000.

The previous prime is 87071972513. The next prime is 87071972621. The reversal of 87071972548 is 84527917078.

It is a super-2 number, since 2×87071972548² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 87071972492 and 87071972501.

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 31 ways as a sum of consecutive naturals, for example, 8816053 + ... + 8825923.

It is an arithmetic number, because the mean of its divisors is an integer number (1857515520).

Almost surely, 2^87071972548 is an apocalyptic number.

It is an amenable number.

87071972548 is an abundant number, since it is smaller than the sum of its proper divisors (91249517372).

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

87071972548 is a wasteful number, since it uses less digits than its factorization.

87071972548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169 (or 10167 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 58.

The spelling of 87071972548 in words is "eighty-seven billion, seventy-one million, nine hundred seventy-two thousand, five hundred forty-eight".