978808359 has 8 divisors (see below), whose sum is σ = 1305564912. Its totient is φ = 652295360.

The previous prime is 978808357. The next prime is 978808367. The reversal of 978808359 is 953808879.

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 978808359 - 2¹ = 978808357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 978808299 and 978808308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978808357) 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, 51294 + ... + 67739.

It is an arithmetic number, because the mean of its divisors is an integer number (163195614).

Almost surely, 2^978808359 is an apocalyptic number.

978808359 is a deficient number, since it is larger than the sum of its proper divisors (326756553).

978808359 is a wasteful number, since it uses less digits than its factorization.

978808359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121777.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The square root of 978808359 is about 31285.9131079788. The cubic root of 978808359 is about 992.8856253701.

The spelling of 978808359 in words is "nine hundred seventy-eight million, eight hundred eight thousand, three hundred fifty-nine".