7952559966 has 32 divisors (see below), whose sum is σ = 19031769120. Its totient is φ = 2446941312.

The previous prime is 7952559959. The next prime is 7952559973. The reversal of 7952559966 is 6699552597.

7952559966 is a `hidden beast` number, since 79 + 5 + 2 + 559 + 9 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (7952559959) and next prime (7952559973).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5663515 + ... + 5664918.

It is an arithmetic number, because the mean of its divisors is an integer number (594742785).

Almost surely, 2^7952559966 is an apocalyptic number.

7952559966 is an abundant number, since it is smaller than the sum of its proper divisors (11079209154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7952559966 is a wasteful number, since it uses less digits than its factorization.

7952559966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328457 (or 11328451 counting only the distinct ones).

The product of its digits is 45927000, while the sum is 63.

The square root of 7952559966 is about 89177.1269216496. The cubic root of 7952559966 is about 1996.0388235535.

The spelling of 7952559966 in words is "seven billion, nine hundred fifty-two million, five hundred fifty-nine thousand, nine hundred sixty-six".