89240721262288 has 10 divisors (see below), whose sum is σ = 172903897445714. Its totient is φ = 44620360631136.

The previous prime is 89240721262237. The next prime is 89240721262373. The reversal of 89240721262288 is 88226212704298.

It can be written as a sum of positive squares in only one way, i.e., 59677664417424 + 29563056844864 = 7725132^2 + 5437192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788772539431 + ... + 2788772539462.

Almost surely, 2^{89240721262288} is an apocalyptic number.

It is an amenable number.

89240721262288 is a deficient number, since it is larger than the sum of its proper divisors (83663176183426).

89240721262288 is a wasteful number, since it uses less digits than its factorization.

89240721262288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577545078901 (or 5577545078895 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 89240721262288 in words is "eighty-nine trillion, two hundred forty billion, seven hundred twenty-one million, two hundred sixty-two thousand, two hundred eighty-eight".