7970521065 has 32 divisors (see below), whose sum is σ = 14053226880. Its totient is φ = 3832690176.

The previous prime is 7970521063. The next prime is 7970521079. The reversal of 7970521065 is 5601250797.

It is not a de Polignac number, because 7970521065 - 2¹ = 7970521063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7970521063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466900 + ... + 483669.

It is an arithmetic number, because the mean of its divisors is an integer number (439163340).

Almost surely, 2^7970521065 is an apocalyptic number.

It is an amenable number.

7970521065 is a deficient number, since it is larger than the sum of its proper divisors (6082705815).

7970521065 is a wasteful number, since it uses less digits than its factorization.

7970521065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950633.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 7970521065 is about 89277.7747538546. The cubic root of 7970521065 is about 1997.5403985035.

The spelling of 7970521065 in words is "seven billion, nine hundred seventy million, five hundred twenty-one thousand, sixty-five".