103308887889 has 45 divisors (see below), whose sum is σ = 156841648249. Its totient is φ = 67767560280.

The previous prime is 103308887863. The next prime is 103308887921. The reversal of 103308887889 is 988788803301.

It is a happy number.

The square root of 103308887889 is 321417.

It is a perfect power (a square), and thus also a powerful number.

103308887889 is a `hidden beast` number, since 103 + 308 + 88 + 78 + 89 = 666.

It is not a de Polignac number, because 103308887889 - 2⁹ = 103308887377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103308887849) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 205385212 + ... + 205385714.

Almost surely, 2^103308887889 is an apocalyptic number.

103308887889 is the 321417-th square number.

103308887889 is the 160709-th centered octagonal number.

It is an amenable number.

103308887889 is a deficient number, since it is larger than the sum of its proper divisors (53532760360).

103308887889 is an frugal number, since it uses more digits than its factorization.

103308887889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 103308887889 in words is "one hundred three billion, three hundred eight million, eight hundred eighty-seven thousand, eight hundred eighty-nine".