413082778 has 4 divisors (see below), whose sum is σ = 619624170. Its totient is φ = 206541388.

The previous prime is 413082773. The next prime is 413082793. The reversal of 413082778 is 877280314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 405337689 + 7745089 = 20133^2 + 2783^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 413082778.

It is not an unprimeable number, because it can be changed into a prime (413082773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103270693 + ... + 103270696.

Almost surely, 2^413082778 is an apocalyptic number.

413082778 is a deficient number, since it is larger than the sum of its proper divisors (206541392).

413082778 is a wasteful number, since it uses less digits than its factorization.

413082778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206541391.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 413082778 is about 20324.4379504084. The cubic root of 413082778 is about 744.7531743930.

The spelling of 413082778 in words is "four hundred thirteen million, eighty-two thousand, seven hundred seventy-eight".