87531962056 has 64 divisors (see below), whose sum is σ = 207502248960. Its totient is φ = 33623016000.

The previous prime is 87531962053. The next prime is 87531962059. The reversal of 87531962056 is 65026913578.

It is an interprime number because it is at equal distance from previous prime (87531962053) and next prime (87531962059).

It is a junction number, because it is equal to n+sod(n) for n = 87531961994 and 87531962012.

It is not an unprimeable number, because it can be changed into a prime (87531962053) 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 15 ways as a sum of consecutive naturals, for example, 956950 + ... + 1044421.

It is an arithmetic number, because the mean of its divisors is an integer number (3242222640).

Almost surely, 2^87531962056 is an apocalyptic number.

It is an amenable number.

87531962056 is an abundant number, since it is smaller than the sum of its proper divisors (119970286904).

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

87531962056 is a wasteful number, since it uses less digits than its factorization.

87531962056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001466 (or 2001462 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 87531962056 in words is "eighty-seven billion, five hundred thirty-one million, nine hundred sixty-two thousand, fifty-six".