8661265802 has 32 divisors (see below), whose sum is σ = 16027718400. Its totient is φ = 3428143488.

The previous prime is 8661265799. The next prime is 8661265813. The reversal of 8661265802 is 2085621668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454427 + ... + 473102.

It is an arithmetic number, because the mean of its divisors is an integer number (500866200).

Almost surely, 2^8661265802 is an apocalyptic number.

8661265802 is a deficient number, since it is larger than the sum of its proper divisors (7366452598).

8661265802 is a wasteful number, since it uses less digits than its factorization.

8661265802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927590.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 8661265802 is about 93065.9218081463. The cubic root of 8661265802 is about 2053.6532756487.

The spelling of 8661265802 in words is "eight billion, six hundred sixty-one million, two hundred sixty-five thousand, eight hundred two".