478292487550 has 12 divisors (see below), whose sum is σ = 889624026936. Its totient is φ = 191316995000.

The previous prime is 478292487527. The next prime is 478292487577. The reversal of 478292487550 is 55784292874.

It is a happy number.

It is a congruent number.

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, 4782924826 + ... + 4782924925.

It is an arithmetic number, because the mean of its divisors is an integer number (74135335578).

Almost surely, 2^478292487550 is an apocalyptic number.

478292487550 is a deficient number, since it is larger than the sum of its proper divisors (411331539386).

478292487550 is a wasteful number, since it uses less digits than its factorization.

478292487550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565849763 (or 9565849758 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 478292487550 in words is "four hundred seventy-eight billion, two hundred ninety-two million, four hundred eighty-seven thousand, five hundred fifty".