4773636978 has 16 divisors (see below), whose sum is σ = 10415208096. Its totient is φ = 1446556640.

The previous prime is 4773636961. The next prime is 4773636983. The reversal of 4773636978 is 8796363774.

It is a super-3 number, since 3×4773636978³ (a number of 30 digits) contains 333 as substring.

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, 36163851 + ... + 36163982.

It is an arithmetic number, because the mean of its divisors is an integer number (650950506).

Almost surely, 2^4773636978 is an apocalyptic number.

4773636978 is an abundant number, since it is smaller than the sum of its proper divisors (5641571118).

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

4773636978 is a wasteful number, since it uses less digits than its factorization.

4773636978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72327849.

The product of its digits is 32006016, while the sum is 60.

The square root of 4773636978 is about 69091.5116204588. The cubic root of 4773636978 is about 1683.7714047088.

The spelling of 4773636978 in words is "four billion, seven hundred seventy-three million, six hundred thirty-six thousand, nine hundred seventy-eight".