89969280520 has 32 divisors (see below), whose sum is σ = 231349579200. Its totient is φ = 30846610368.

The previous prime is 89969280509. The next prime is 89969280521. The reversal of 89969280520 is 2508296998.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89969280521) 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, 160659150 + ... + 160659709.

It is an arithmetic number, because the mean of its divisors is an integer number (7229674350).

Almost surely, 2^89969280520 is an apocalyptic number.

It is an amenable number.

89969280520 is an abundant number, since it is smaller than the sum of its proper divisors (141380298680).

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

89969280520 is a wasteful number, since it uses less digits than its factorization.

89969280520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321318877 (or 321318873 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 89969280520 in words is "eighty-nine billion, nine hundred sixty-nine million, two hundred eighty thousand, five hundred twenty".