89868718440 has 48 divisors (see below), whose sum is σ = 292073336100. Its totient is φ = 23964991488.

The previous prime is 89868718361. The next prime is 89868718531. The reversal of 89868718440 is 4481786898.

It can be written as a sum of positive squares in 2 ways, for example, as 72683081604 + 17185636836 = 269598^2 + 131094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124817305 + ... + 124818024.

Almost surely, 2^89868718440 is an apocalyptic number.

It is an amenable number.

89868718440 is an abundant number, since it is smaller than the sum of its proper divisors (202204617660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89868718440 is a wasteful number, since it uses less digits than its factorization.

89868718440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249635346 (or 249635339 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 89868718440 in words is "eighty-nine billion, eight hundred sixty-eight million, seven hundred eighteen thousand, four hundred forty".