978433078 has 12 divisors (see below), whose sum is σ = 1707266052. Its totient is φ = 419328420.

The previous prime is 978433031. The next prime is 978433081. The reversal of 978433078 is 870334879.

978433078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4991908 + ... + 4992103.

It is an arithmetic number, because the mean of its divisors is an integer number (142272171).

Almost surely, 2^978433078 is an apocalyptic number.

978433078 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

978433078 is a deficient number, since it is larger than the sum of its proper divisors (728832974).

978433078 is a wasteful number, since it uses less digits than its factorization.

978433078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984027 (or 9984020 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 978433078 is about 31279.9149295518. The cubic root of 978433078 is about 992.7587163800.

The spelling of 978433078 in words is "nine hundred seventy-eight million, four hundred thirty-three thousand, seventy-eight".