87745289748403 has 12 divisors (see below), whose sum is σ = 108075230831592. Its totient is φ = 70786116098880.

The previous prime is 87745289748383. The next prime is 87745289748451. The reversal of 87745289748403 is 30484798254778.

It is not a de Polignac number, because 87745289748403 - 2⁵ = 87745289748371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87745289748403.

It is not an unprimeable number, because it can be changed into a prime (87745269748403) 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 11 ways as a sum of consecutive naturals, for example, 52668240313 + ... + 52668241978.

It is an arithmetic number, because the mean of its divisors is an integer number (9006269235966).

Almost surely, 2^{87745289748403} is an apocalyptic number.

87745289748403 is a deficient number, since it is larger than the sum of its proper divisors (20329941083189).

87745289748403 is a wasteful number, since it uses less digits than its factorization.

87745289748403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105336482322 (or 105336482315 counting only the distinct ones).

The product of its (nonzero) digits is 3034644480, while the sum is 76.

The spelling of 87745289748403 in words is "eighty-seven trillion, seven hundred forty-five billion, two hundred eighty-nine million, seven hundred forty-eight thousand, four hundred three".