4878578690 has 16 divisors (see below), whose sum is σ = 8812697400. Its totient is φ = 1944485760.

The previous prime is 4878578671. The next prime is 4878578713. The reversal of 4878578690 is 968758784.

It can be written as a sum of positive squares in 4 ways, for example, as 4809006409 + 69572281 = 69347^2 + 8341^2 .

It is a super-2 number, since 2×4878578690² = 47601060069044232200, which contains 22 as substring.

It is an unprimeable number.

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, 865265 + ... + 870884.

Almost surely, 2^4878578690 is an apocalyptic number.

4878578690 is a deficient number, since it is larger than the sum of its proper divisors (3934118710).

4878578690 is a wasteful number, since it uses less digits than its factorization.

4878578690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736437.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The square root of 4878578690 is about 69846.8230487257. The cubic root of 4878578690 is about 1696.0205292345.

The spelling of 4878578690 in words is "four billion, eight hundred seventy-eight million, five hundred seventy-eight thousand, six hundred ninety".