978317368 has 32 divisors (see below), whose sum is σ = 2097439200. Its totient is φ = 419069952.

The previous prime is 978317293. The next prime is 978317369. The reversal of 978317368 is 863713879.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978317369) 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, 172888 + ... + 178456.

It is an arithmetic number, because the mean of its divisors is an integer number (65544975).

Almost surely, 2^978317368 is an apocalyptic number.

It is an amenable number.

978317368 is an abundant number, since it is smaller than the sum of its proper divisors (1119121832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978317368 is a wasteful number, since it uses less digits than its factorization.

978317368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719 (or 8715 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 978317368 is about 31278.0652854361. The cubic root of 978317368 is about 992.7195801180.

The spelling of 978317368 in words is "nine hundred seventy-eight million, three hundred seventeen thousand, three hundred sixty-eight".