87981298206 has 8 divisors (see below), whose sum is σ = 175962596424. Its totient is φ = 29327099400.

The previous prime is 87981298117. The next prime is 87981298241. The reversal of 87981298206 is 60289218978.

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

87981298206 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 87981298206.

It is a congruent 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, 7331774845 + ... + 7331774856.

It is an arithmetic number, because the mean of its divisors is an integer number (21995324553).

Almost surely, 2^87981298206 is an apocalyptic number.

87981298206 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.

87981298206 is a wasteful number, since it uses less digits than its factorization.

87981298206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663549706.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 87981298206 in words is "eighty-seven billion, nine hundred eighty-one million, two hundred ninety-eight thousand, two hundred six".