89608780493 has 8 divisors (see below), whose sum is σ = 91062852216. Its totient is φ = 88160832000.

The previous prime is 89608780489. The next prime is 89608780501. The reversal of 89608780493 is 39408780698.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25613441764 + 63995338729 = 160042^2 + 252973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89608780493 - 2² = 89608780489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89608780403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501298 + ... + 1559843.

It is an arithmetic number, because the mean of its divisors is an integer number (11382856527).

Almost surely, 2^89608780493 is an apocalyptic number.

It is an amenable number.

89608780493 is a deficient number, since it is larger than the sum of its proper divisors (1454071723).

89608780493 is a wasteful number, since it uses less digits than its factorization.

89608780493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061615.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 89608780493 in words is "eighty-nine billion, six hundred eight million, seven hundred eighty thousand, four hundred ninety-three".