978688103 has 8 divisors (see below), whose sum is σ = 994044480. Its totient is φ = 963406080.

The previous prime is 978688099. The next prime is 978688121. The reversal of 978688103 is 301886879.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 978688103 - 2² = 978688099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978688603) 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, 8243 + ... + 45003.

It is an arithmetic number, because the mean of its divisors is an integer number (124255560).

Almost surely, 2^978688103 is an apocalyptic number.

978688103 is a deficient number, since it is larger than the sum of its proper divisors (15356377).

978688103 is a wasteful number, since it uses less digits than its factorization.

978688103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37177.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 978688103 is about 31283.9911616149. The cubic root of 978688103 is about 992.8449618623.

The spelling of 978688103 in words is "nine hundred seventy-eight million, six hundred eighty-eight thousand, one hundred three".