4645058778 has 32 divisors (see below), whose sum is σ = 10367853120. Its totient is φ = 1541527920.

The previous prime is 4645058777. The next prime is 4645058791. The reversal of 4645058778 is 8778505464.

4645058778 is a `hidden beast` number, since 4 + 6 + 4 + 50 + 587 + 7 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4645058777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177213 + ... + 201728.

It is an arithmetic number, because the mean of its divisors is an integer number (323995410).

Almost surely, 2^4645058778 is an apocalyptic number.

4645058778 is an abundant number, since it is smaller than the sum of its proper divisors (5722794342).

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

4645058778 is a wasteful number, since it uses less digits than its factorization.

4645058778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379179 (or 379173 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The square root of 4645058778 is about 68154.6680572945. The cubic root of 4645058778 is about 1668.5161114444.

The spelling of 4645058778 in words is "four billion, six hundred forty-five million, fifty-eight thousand, seven hundred seventy-eight".