86646948290 has 16 divisors (see below), whose sum is σ = 178245150912. Its totient is φ = 29707525104.

The previous prime is 86646948239. The next prime is 86646948317. The reversal of 86646948290 is 9284964668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618906704 + ... + 618906843.

It is an arithmetic number, because the mean of its divisors is an integer number (11140321932).

Almost surely, 2^86646948290 is an apocalyptic number.

86646948290 is an abundant number, since it is smaller than the sum of its proper divisors (91598202622).

86646948290 is a wasteful number, since it uses less digits than its factorization.

86646948290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237813561.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 86646948290 in words is "eighty-six billion, six hundred forty-six million, nine hundred forty-eight thousand, two hundred ninety".