4987307777 has 6 divisors (see below), whose sum is σ = 5263613298. Its totient is φ = 4724817552.

The previous prime is 4987307761. The next prime is 4987307779. The reversal of 4987307777 is 7777037894.

It can be written as a sum of positive squares in only one way, i.e., 4399536241 + 587771536 = 66329^2 + 24244^2 .

It is not a de Polignac number, because 4987307777 - 2⁴ = 4987307761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987307779) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6907268 + ... + 6907989.

It is an arithmetic number, because the mean of its divisors is an integer number (877268883).

Almost surely, 2^4987307777 is an apocalyptic number.

It is an amenable number.

4987307777 is a deficient number, since it is larger than the sum of its proper divisors (276305521).

4987307777 is a wasteful number, since it uses less digits than its factorization.

4987307777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815295 (or 13815276 counting only the distinct ones).

The product of its (nonzero) digits is 14521248, while the sum is 59.

The square root of 4987307777 is about 70620.8735219269. The cubic root of 4987307777 is about 1708.5278275919.

The spelling of 4987307777 in words is "four billion, nine hundred eighty-seven million, three hundred seven thousand, seven hundred seventy-seven".