7965557005 has 32 divisors (see below), whose sum is σ = 11009617920. Its totient is φ = 5419552320.

The previous prime is 7965556999. The next prime is 7965557011. The reversal of 7965557005 is 5007555697.

It is an interprime number because it is at equal distance from previous prime (7965556999) and next prime (7965557011).

It is not a de Polignac number, because 7965557005 - 2⁹ = 7965556493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7965557005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2708826 + ... + 2711764.

It is an arithmetic number, because the mean of its divisors is an integer number (344050560).

Almost surely, 2^7965557005 is an apocalyptic number.

It is an amenable number.

7965557005 is a deficient number, since it is larger than the sum of its proper divisors (3044060915).

7965557005 is a wasteful number, since it uses less digits than its factorization.

7965557005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its (nonzero) digits is 1653750, while the sum is 49.

The square root of 7965557005 is about 89249.9692156810. The cubic root of 7965557005 is about 1997.1256213694.

The spelling of 7965557005 in words is "seven billion, nine hundred sixty-five million, five hundred fifty-seven thousand, five".