7765013005 has 16 divisors (see below), whose sum is σ = 9900118080. Its totient is φ = 5830054272.

The previous prime is 7765012991. The next prime is 7765013027. The reversal of 7765013005 is 5003105677.

It is a cyclic number.

It is not a de Polignac number, because 7765013005 - 2⁷ = 7765012877 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 371784 + ... + 392113.

It is an arithmetic number, because the mean of its divisors is an integer number (618757380).

Almost surely, 2^7765013005 is an apocalyptic number.

It is an amenable number.

7765013005 is a deficient number, since it is larger than the sum of its proper divisors (2135105075).

7765013005 is a wasteful number, since it uses less digits than its factorization.

7765013005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764028.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 7765013005 is about 88119.3111922693. The cubic root of 7765013005 is about 1980.2228267573. Note that the first 3 decimals are identical.

The spelling of 7765013005 in words is "seven billion, seven hundred sixty-five million, thirteen thousand, five".