87320388750245 has 48 divisors (see below), whose sum is σ = 128380501749888. Its totient is φ = 56738230496640.

The previous prime is 87320388750167. The next prime is 87320388750407. The reversal of 87320388750245 is 54205788302378.

It is not a de Polignac number, because 87320388750245 - 2¹⁰ = 87320388749221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71808626 + ... + 73014515.

It is an arithmetic number, because the mean of its divisors is an integer number (2674593786456).

Almost surely, 2^{87320388750245} is an apocalyptic number.

It is an amenable number.

87320388750245 is a deficient number, since it is larger than the sum of its proper divisors (41060112999643).

87320388750245 is a wasteful number, since it uses less digits than its factorization.

87320388750245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144823290 (or 144823283 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 62.

The spelling of 87320388750245 in words is "eighty-seven trillion, three hundred twenty billion, three hundred eighty-eight million, seven hundred fifty thousand, two hundred forty-five".