474527778 has 16 divisors (see below), whose sum is σ = 951137760. Its totient is φ = 157828896.

The previous prime is 474527771. The next prime is 474527803. The reversal of 474527778 is 877725474.

It is a super-2 number, since 2×474527778² = 450353224187234568, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 474527778.

It is not an unprimeable number, because it can be changed into a prime (474527771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83788 + ... + 89271.

It is an arithmetic number, because the mean of its divisors is an integer number (59446110).

Almost surely, 2^474527778 is an apocalyptic number.

474527778 is an abundant number, since it is smaller than the sum of its proper divisors (476609982).

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

474527778 is a wasteful number, since it uses less digits than its factorization.

474527778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173521.

The product of its digits is 3073280, while the sum is 51.

The square root of 474527778 is about 21783.6585081570. The cubic root of 474527778 is about 779.9867288998.

It can be divided in two parts, 4745 and 27778, that added together give a palindrome (32523).

The spelling of 474527778 in words is "four hundred seventy-four million, five hundred twenty-seven thousand, seven hundred seventy-eight".