2729007866 has 32 divisors (see below), whose sum is σ = 4476850560. Its totient is φ = 1240127424.

The previous prime is 2729007863. The next prime is 2729007871. The reversal of 2729007866 is 6687009272.

It is a self number, because there is not a number n which added to its sum of digits gives 2729007866.

It is not an unprimeable number, because it can be changed into a prime (2729007863) 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 15 ways as a sum of consecutive naturals, for example, 476516 + ... + 482208.

It is an arithmetic number, because the mean of its divisors is an integer number (139901580).

Almost surely, 2^2729007866 is an apocalyptic number.

2729007866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2729007866 is a deficient number, since it is larger than the sum of its proper divisors (1747842694).

2729007866 is a wasteful number, since it uses less digits than its factorization.

2729007866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 2729007866 is about 52239.9068337607. The cubic root of 2729007866 is about 1397.4456597140.

The spelling of 2729007866 in words is "two billion, seven hundred twenty-nine million, seven thousand, eight hundred sixty-six".