8561390002 has 8 divisors (see below), whose sum is σ = 14009547312. Its totient is φ = 3891540900.

The previous prime is 8561389931. The next prime is 8561390011. The reversal of 8561390002 is 2000931658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8561390002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194577024 + ... + 194577067.

It is an arithmetic number, because the mean of its divisors is an integer number (1751193414).

Almost surely, 2^8561390002 is an apocalyptic number.

8561390002 is a deficient number, since it is larger than the sum of its proper divisors (5448157310).

8561390002 is a wasteful number, since it uses less digits than its factorization.

8561390002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389154104.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 8561390002 is about 92527.7796232029. The cubic root of 8561390002 is about 2045.7289623694.

The spelling of 8561390002 in words is "eight billion, five hundred sixty-one million, three hundred ninety thousand, two".