89728710548 has 36 divisors (see below), whose sum is σ = 169023970836. Its totient is φ = 41524128000.

The previous prime is 89728710529. The next prime is 89728710613. The reversal of 89728710548 is 84501782798.

It can be written as a sum of positive squares in 2 ways, for example, as 31236320644 + 58492389904 = 176738^2 + 241852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19290023 + ... + 19294673.

It is an arithmetic number, because the mean of its divisors is an integer number (4695110301).

Almost surely, 2^89728710548 is an apocalyptic number.

It is an amenable number.

89728710548 is a deficient number, since it is larger than the sum of its proper divisors (79295260288).

89728710548 is an equidigital number, since it uses as much as digits as its factorization.

89728710548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384 (or 4731 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 89728710548 in words is "eighty-nine billion, seven hundred twenty-eight million, seven hundred ten thousand, five hundred forty-eight".