2763981988 has 12 divisors (see below), whose sum is σ = 4837351372. Its totient is φ = 1381881600.

The previous prime is 2763981947. The next prime is 2763981989. The reversal of 2763981988 is 8891893672.

It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 2736545344 = 5238^2 + 52312^2 .

It is not an unprimeable number, because it can be changed into a prime (2763981989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61756 + ... + 96652.

Almost surely, 2^2763981988 is an apocalyptic number.

It is an amenable number.

2763981988 is a deficient number, since it is larger than the sum of its proper divisors (2073369384).

2763981988 is a wasteful number, since it uses less digits than its factorization.

2763981988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54702 (or 54700 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The square root of 2763981988 is about 52573.5864099074. The cubic root of 2763981988 is about 1403.3900816148.

The spelling of 2763981988 in words is "two billion, seven hundred sixty-three million, nine hundred eighty-one thousand, nine hundred eighty-eight".