988987266 has 32 divisors (see below), whose sum is σ = 2233785600. Its totient is φ = 324257040.

The previous prime is 988987217. The next prime is 988987267. The reversal of 988987266 is 662789889.

It is not an unprimeable number, because it can be changed into a prime (988987267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146826 + ... + 153413.

It is an arithmetic number, because the mean of its divisors is an integer number (69805800).

Almost surely, 2^988987266 is an apocalyptic number.

988987266 is an abundant number, since it is smaller than the sum of its proper divisors (1244798334).

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

988987266 is a wasteful number, since it uses less digits than its factorization.

988987266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300311 (or 300305 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 988987266 is about 31448.1679275598. The cubic root of 988987266 is about 996.3155300203.

The spelling of 988987266 in words is "nine hundred eighty-eight million, nine hundred eighty-seven thousand, two hundred sixty-six".