978231357914 has 8 divisors (see below), whose sum is σ = 1467385566708. Its totient is φ = 489102835680.

The previous prime is 978231357911. The next prime is 978231357919. The reversal of 978231357914 is 419753132879.

It can be written as a sum of positive squares in 2 ways, for example, as 959292919225 + 18938438689 = 979435^2 + 137617^2 .

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

It is not an unprimeable number, because it can be changed into a prime (978231357911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6326147 + ... + 6478934.

Almost surely, 2^978231357914 is an apocalyptic number.

978231357914 is a deficient number, since it is larger than the sum of its proper divisors (489154208794).

978231357914 is a wasteful number, since it uses less digits than its factorization.

978231357914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12843280.

The product of its digits is 11430720, while the sum is 59.

The spelling of 978231357914 in words is "nine hundred seventy-eight billion, two hundred thirty-one million, three hundred fifty-seven thousand, nine hundred fourteen".