988545897 has 16 divisors (see below), whose sum is σ = 1466513280. Its totient is φ = 658130256.

The previous prime is 988545893. The next prime is 988545923. The reversal of 988545897 is 798545889.

It is a happy number.

988545897 is a `hidden beast` number, since 9 + 8 + 8 + 545 + 89 + 7 = 666.

988545897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 988545897 - 2² = 988545893 is a prime.

It is a super-3 number, since 3×988545897³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (988545893) 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, 4578 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (91657080).

Almost surely, 2^988545897 is an apocalyptic number.

It is an amenable number.

988545897 is a deficient number, since it is larger than the sum of its proper divisors (477967383).

988545897 is a wasteful number, since it uses less digits than its factorization.

988545897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50029 (or 50023 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The square root of 988545897 is about 31441.1497404278. The cubic root of 988545897 is about 996.1672948046.

The spelling of 988545897 in words is "nine hundred eighty-eight million, five hundred forty-five thousand, eight hundred ninety-seven".