861393202006 has 8 divisors (see below), whose sum is σ = 1301953084344. Its totient is φ = 427408840560.

The previous prime is 861393201937. The next prime is 861393202009. The reversal of 861393202006 is 600202393168.

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 861393202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861393202009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643879895 + ... + 1643880418.

It is an arithmetic number, because the mean of its divisors is an integer number (162744135543).

Almost surely, 2^861393202006 is an apocalyptic number.

861393202006 is a deficient number, since it is larger than the sum of its proper divisors (440559882338).

861393202006 is a wasteful number, since it uses less digits than its factorization.

861393202006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287760446.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 861393202006 in words is "eight hundred sixty-one billion, three hundred ninety-three million, two hundred two thousand, six".