7976509005 has 16 divisors (see below), whose sum is σ = 12886323840. Its totient is φ = 4212835008.

The previous prime is 7976509001. The next prime is 7976509039. The reversal of 7976509005 is 5009056797.

It is not a de Polignac number, because 7976509005 - 2² = 7976509001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976509001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579850 + ... + 2582939.

It is an arithmetic number, because the mean of its divisors is an integer number (805395240).

Almost surely, 2^7976509005 is an apocalyptic number.

It is an amenable number.

7976509005 is a deficient number, since it is larger than the sum of its proper divisors (4909814835).

7976509005 is a wasteful number, since it uses less digits than its factorization.

7976509005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162900.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 7976509005 is about 89311.3039038172. The cubic root of 7976509005 is about 1998.0404978860.

The spelling of 7976509005 in words is "seven billion, nine hundred seventy-six million, five hundred nine thousand, five".