87056736523263 has 48 divisors (see below), whose sum is σ = 140312444825280. Its totient is φ = 51664159798272.

The previous prime is 87056736523243. The next prime is 87056736523277. The reversal of 87056736523263 is 36232563765078.

87056736523263 is a `hidden beast` number, since 8 + 7 + 0 + 5 + 6 + 7 + 365 + 2 + 3 + 263 = 666.

It is not a de Polignac number, because 87056736523263 - 2²⁸ = 87056468087807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87056736523263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87056736523223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88493683 + ... + 89472036.

It is an arithmetic number, because the mean of its divisors is an integer number (2923175933860).

Almost surely, 2^{87056736523263} is an apocalyptic number.

87056736523263 is a deficient number, since it is larger than the sum of its proper divisors (53255708302017).

87056736523263 is a wasteful number, since it uses less digits than its factorization.

87056736523263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177965888 (or 177965885 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 63.

The spelling of 87056736523263 in words is "eighty-seven trillion, fifty-six billion, seven hundred thirty-six million, five hundred twenty-three thousand, two hundred sixty-three".