190986759979 has 8 divisors (see below), whose sum is σ = 199615653792. Its totient is φ = 182384959680.

The previous prime is 190986759961. The next prime is 190986759989. The reversal of 190986759979 is 979957689091.

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

It is a cyclic number.

It is not a de Polignac number, because 190986759979 - 2¹¹ = 190986757931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190986759899 and 190986759908.

It is not an unprimeable number, because it can be changed into a prime (190986759959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6758962 + ... + 6787159.

It is an arithmetic number, because the mean of its divisors is an integer number (24951956724).

Almost surely, 2^190986759979 is an apocalyptic number.

190986759979 is a deficient number, since it is larger than the sum of its proper divisors (8628893813).

190986759979 is a wasteful number, since it uses less digits than its factorization.

190986759979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13546757.

The product of its (nonzero) digits is 694416240, while the sum is 79.

The spelling of 190986759979 in words is "one hundred ninety billion, nine hundred eighty-six million, seven hundred fifty-nine thousand, nine hundred seventy-nine".