459045086778 has 12 divisors (see below), whose sum is σ = 994597688058. Its totient is φ = 153015028920.

The previous prime is 459045086749. The next prime is 459045086849. The reversal of 459045086778 is 877680540954.

459045086778 is a `hidden beast` number, since 4 + 59 + 0 + 4 + 508 + 6 + 7 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 445712458689 + 13332628089 = 667617^2 + 115467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12751252393 + ... + 12751252428.

Almost surely, 2^459045086778 is an apocalyptic number.

459045086778 is an abundant number, since it is smaller than the sum of its proper divisors (535552601280).

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

459045086778 is a wasteful number, since it uses less digits than its factorization.

459045086778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25502504829 (or 25502504826 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 459045086778 in words is "four hundred fifty-nine billion, forty-five million, eighty-six thousand, seven hundred seventy-eight".