87310637745 has 16 divisors (see below), whose sum is σ = 139704810432. Its totient is φ = 46563076800.

The previous prime is 87310637741. The next prime is 87310637747. The reversal of 87310637745 is 54773601378.

It is not a de Polignac number, because 87310637745 - 2² = 87310637741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87310637741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132999 + ... + 438531.

It is an arithmetic number, because the mean of its divisors is an integer number (8731550652).

Almost surely, 2^87310637745 is an apocalyptic number.

It is an amenable number.

87310637745 is a deficient number, since it is larger than the sum of its proper divisors (52394172687).

87310637745 is a wasteful number, since it uses less digits than its factorization.

87310637745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324592.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 87310637745 in words is "eighty-seven billion, three hundred ten million, six hundred thirty-seven thousand, seven hundred forty-five".