7040099779 has 16 divisors (see below), whose sum is σ = 7485499008. Its totient is φ = 6612129792.

The previous prime is 7040099771. The next prime is 7040099797. The reversal of 7040099779 is 9779900407.

It is a cyclic number.

It is not a de Polignac number, because 7040099779 - 2³ = 7040099771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7040099771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99219 + ... + 154675.

It is an arithmetic number, because the mean of its divisors is an integer number (467843688).

Almost surely, 2^7040099779 is an apocalyptic number.

7040099779 is a deficient number, since it is larger than the sum of its proper divisors (445399229).

7040099779 is a wasteful number, since it uses less digits than its factorization.

7040099779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55614.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 7040099779 is about 83905.3024486534. The cubic root of 7040099779 is about 1916.5769973862.

The spelling of 7040099779 in words is "seven billion, forty million, ninety-nine thousand, seven hundred seventy-nine".