89969602880 has 28 divisors (see below), whose sum is σ = 214240117620. Its totient is φ = 35987841024.

The previous prime is 89969602873. The next prime is 89969602889. The reversal of 89969602880 is 8820696998.

It can be written as a sum of positive squares in 2 ways, for example, as 56868894784 + 33100708096 = 238472^2 + 181936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89969602889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140577185 + ... + 140577824.

Almost surely, 2^89969602880 is an apocalyptic number.

89969602880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89969602880 is an abundant number, since it is smaller than the sum of its proper divisors (124270514740).

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

89969602880 is a wasteful number, since it uses less digits than its factorization.

89969602880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281155026 (or 281155016 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 65.

The spelling of 89969602880 in words is "eighty-nine billion, nine hundred sixty-nine million, six hundred two thousand, eight hundred eighty".