89187828167828 has 72 divisors (see below), whose sum is σ = 172054311219000. Its totient is φ = 40427934683136.

The previous prime is 89187828167819. The next prime is 89187828167857. The reversal of 89187828167828 is 82876182878198.

It can be written as a sum of positive squares in 12 ways, for example, as 83939642012164 + 5248186155664 = 9161858^2 + 2290892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3989900 + ... + 13938972.

It is an arithmetic number, because the mean of its divisors is an integer number (2389643211375).

Almost surely, 2^{89187828167828} is an apocalyptic number.

It is an amenable number.

89187828167828 is a deficient number, since it is larger than the sum of its proper divisors (82866483051172).

89187828167828 is a wasteful number, since it uses less digits than its factorization.

89187828167828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949341 (or 9949326 counting only the distinct ones).

The product of its digits is 2774532096, while the sum is 83.

The spelling of 89187828167828 in words is "eighty-nine trillion, one hundred eighty-seven billion, eight hundred twenty-eight million, one hundred sixty-seven thousand, eight hundred twenty-eight".