89971772260 has 48 divisors (see below), whose sum is σ = 191695133952. Its totient is φ = 35464553600.

The previous prime is 89971772239. The next prime is 89971772279. The reversal of 89971772260 is 6227717998.

It is a junction number, because it is equal to n+sod(n) for n = 89971772195 and 89971772204.

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 15 ways as a sum of consecutive naturals, for example, 3128145 + ... + 3156775.

It is an arithmetic number, because the mean of its divisors is an integer number (3993648624).

Almost surely, 2^89971772260 is an apocalyptic number.

It is an amenable number.

89971772260 is an abundant number, since it is smaller than the sum of its proper divisors (101723361692).

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

89971772260 is a wasteful number, since it uses less digits than its factorization.

89971772260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30924 (or 30922 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

The spelling of 89971772260 in words is "eighty-nine billion, nine hundred seventy-one million, seven hundred seventy-two thousand, two hundred sixty".