978140359 has 32 divisors (see below), whose sum is σ = 1169602560. Its totient is φ = 800762112.

The previous prime is 978140357. The next prime is 978140369. The reversal of 978140359 is 953041879.

It is a happy number.

It is not a de Polignac number, because 978140359 - 2¹ = 978140357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978140357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3338217 + ... + 3338509.

It is an arithmetic number, because the mean of its divisors is an integer number (36550080).

Almost surely, 2^978140359 is an apocalyptic number.

978140359 is a deficient number, since it is larger than the sum of its proper divisors (191462201).

978140359 is a wasteful number, since it uses less digits than its factorization.

978140359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 978140359 is about 31275.2355546685. The cubic root of 978140359 is about 992.6597048994.

The spelling of 978140359 in words is "nine hundred seventy-eight million, one hundred forty thousand, three hundred fifty-nine".