459297978 has 16 divisors (see below), whose sum is σ = 925206240. Its totient is φ = 151997616.

The previous prime is 459297973. The next prime is 459297989. The reversal of 459297978 is 879792954.

It is not an unprimeable number, because it can be changed into a prime (459297973) 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, 274525 + ... + 276192.

It is an arithmetic number, because the mean of its divisors is an integer number (57825390).

Almost surely, 2^459297978 is an apocalyptic number.

459297978 is an abundant number, since it is smaller than the sum of its proper divisors (465908262).

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

459297978 is a wasteful number, since it uses less digits than its factorization.

459297978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550861.

The product of its digits is 11430720, while the sum is 60.

The square root of 459297978 is about 21431.2383683258. The cubic root of 459297978 is about 771.5513660005.

The spelling of 459297978 in words is "four hundred fifty-nine million, two hundred ninety-seven thousand, nine hundred seventy-eight".