861796002 has 8 divisors (see below), whose sum is σ = 1723592016. Its totient is φ = 287265332.

The previous prime is 861795973. The next prime is 861796031. The reversal of 861796002 is 200697168.

It is an interprime number because it is at equal distance from previous prime (861795973) and next prime (861796031).

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

861796002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71816328 + ... + 71816339.

It is an arithmetic number, because the mean of its divisors is an integer number (215449002).

Almost surely, 2^861796002 is an apocalyptic number.

861796002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

861796002 is a wasteful number, since it uses less digits than its factorization.

861796002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143632672.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 861796002 is about 29356.3622065133. The cubic root of 861796002 is about 951.6300738016.

The spelling of 861796002 in words is "eight hundred sixty-one million, seven hundred ninety-six thousand, two".