4977778025 has 24 divisors (see below), whose sum is σ = 6737672928. Its totient is φ = 3618000000.

The previous prime is 4977777991. The next prime is 4977778027. The reversal of 4977778025 is 5208777794.

It is a happy number.

It is not a de Polignac number, because 4977778025 - 2¹⁴ = 4977761641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4977778027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548525 + ... + 557525.

It is an arithmetic number, because the mean of its divisors is an integer number (280736372).

Almost surely, 2^4977778025 is an apocalyptic number.

It is an amenable number.

4977778025 is a deficient number, since it is larger than the sum of its proper divisors (1759894903).

4977778025 is a wasteful number, since it uses less digits than its factorization.

4977778025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033 (or 11028 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 56.

The square root of 4977778025 is about 70553.3700470785. The cubic root of 4977778025 is about 1707.4389149167.

The spelling of 4977778025 in words is "four billion, nine hundred seventy-seven million, seven hundred seventy-eight thousand, twenty-five".