89667477020 has 96 divisors (see below), whose sum is σ = 210667032576. Its totient is φ = 31779302400.

The previous prime is 89667476999. The next prime is 89667477059. The reversal of 89667477020 is 2077476698.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2473949 + ... + 2509931.

It is an arithmetic number, because the mean of its divisors is an integer number (2194448256).

Almost surely, 2^89667477020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89667477020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105333516288).

89667477020 is an abundant number, since it is smaller than the sum of its proper divisors (120999555556).

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

89667477020 is a wasteful number, since it uses less digits than its factorization.

89667477020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36291 (or 36289 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 89667477020 in words is "eighty-nine billion, six hundred sixty-seven million, four hundred seventy-seven thousand, twenty".