199976294086 has 32 divisors (see below), whose sum is σ = 314594316288. Its totient is φ = 95156144160.

The previous prime is 199976294051. The next prime is 199976294087. The reversal of 199976294086 is 680492679991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199976294087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21403776 + ... + 21413116.

It is an arithmetic number, because the mean of its divisors is an integer number (9831072384).

Almost surely, 2^199976294086 is an apocalyptic number.

199976294086 is a deficient number, since it is larger than the sum of its proper divisors (114618022202).

199976294086 is a wasteful number, since it uses less digits than its factorization.

199976294086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676.

The product of its (nonzero) digits is 105815808, while the sum is 70.

The spelling of 199976294086 in words is "one hundred ninety-nine billion, nine hundred seventy-six million, two hundred ninety-four thousand, eighty-six".