4976778772 has 24 divisors (see below), whose sum is σ = 9956157120. Its totient is φ = 2132348160.

The previous prime is 4976778767. The next prime is 4976778787. The reversal of 4976778772 is 2778776794.

It is a happy number.

It is a congruent number.

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, 96804 + ... + 139012.

It is an arithmetic number, because the mean of its divisors is an integer number (414839880).

Almost surely, 2^4976778772 is an apocalyptic number.

It is an amenable number.

4976778772 is an abundant number, since it is smaller than the sum of its proper divisors (4979378348).

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

4976778772 is a wasteful number, since it uses less digits than its factorization.

4976778772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46431 (or 46429 counting only the distinct ones).

The product of its digits is 58084992, while the sum is 64.

The square root of 4976778772 is about 70546.2881518227. The cubic root of 4976778772 is about 1707.3246552592.

The spelling of 4976778772 in words is "four billion, nine hundred seventy-six million, seven hundred seventy-eight thousand, seven hundred seventy-two".