7965535966 has 16 divisors (see below), whose sum is σ = 12428619840. Its totient is φ = 3824180640.

The previous prime is 7965535961. The next prime is 7965535987. The reversal of 7965535966 is 6695355697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7965535961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368886 + ... + 389881.

It is an arithmetic number, because the mean of its divisors is an integer number (776788740).

Almost surely, 2^7965535966 is an apocalyptic number.

7965535966 is a deficient number, since it is larger than the sum of its proper divisors (4463083874).

7965535966 is a wasteful number, since it uses less digits than its factorization.

7965535966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758979.

The product of its digits is 45927000, while the sum is 61.

The square root of 7965535966 is about 89249.8513500163. The cubic root of 7965535966 is about 1997.1238630675.

The spelling of 7965535966 in words is "seven billion, nine hundred sixty-five million, five hundred thirty-five thousand, nine hundred sixty-six".