474990778 has 16 divisors (see below), whose sum is σ = 755001000. Its totient is φ = 223346176.

The previous prime is 474990767. The next prime is 474990787. The reversal of 474990778 is 877099474.

It can be written as a sum of positive squares in 4 ways, for example, as 442807849 + 32182929 = 21043^2 + 5673^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43848 + ... + 53596.

Almost surely, 2^474990778 is an apocalyptic number.

474990778 is a deficient number, since it is larger than the sum of its proper divisors (280010222).

474990778 is a wasteful number, since it uses less digits than its factorization.

474990778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 474990778 is about 21794.2831494867. The cubic root of 474990778 is about 780.2403259017.

The spelling of 474990778 in words is "four hundred seventy-four million, nine hundred ninety thousand, seven hundred seventy-eight".