968309889 has 8 divisors (see below), whose sum is σ = 1291224480. Its totient is φ = 645467616.

The previous prime is 968309879. The next prime is 968309899. The reversal of 968309889 is 988903869.

It is an interprime number because it is at equal distance from previous prime (968309879) and next prime (968309899).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 968309889 - 2¹⁶ = 968244353 is a prime.

It is a super-2 number, since 2×968309889² = 1875248082270384642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (968309879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38157 + ... + 58245.

It is an arithmetic number, because the mean of its divisors is an integer number (161403060).

Almost surely, 2^968309889 is an apocalyptic number.

It is an amenable number.

968309889 is a deficient number, since it is larger than the sum of its proper divisors (322914591).

968309889 is a wasteful number, since it uses less digits than its factorization.

968309889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36159.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 968309889 is about 31117.6780785456. The cubic root of 968309889 is about 989.3230378619.

The spelling of 968309889 in words is "nine hundred sixty-eight million, three hundred nine thousand, eight hundred eighty-nine".