190375979 has 4 divisors (see below), whose sum is σ = 201574584. Its totient is φ = 179177376.

The previous prime is 190375973. The next prime is 190376009. The reversal of 190375979 is 979573091.

It is a happy number.

190375979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979573091 = 7 ⋅139939013.

It is a cyclic number.

It is not a de Polignac number, because 190375979 - 2⁴ = 190375963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190375973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5599277 + ... + 5599310.

It is an arithmetic number, because the mean of its divisors is an integer number (50393646).

Almost surely, 2^190375979 is an apocalyptic number.

190375979 is a deficient number, since it is larger than the sum of its proper divisors (11198605).

190375979 is a wasteful number, since it uses less digits than its factorization.

190375979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198604.

The product of its (nonzero) digits is 535815, while the sum is 50.

The square root of 190375979 is about 13797.6802035705. The cubic root of 190375979 is about 575.2686623527.

The spelling of 190375979 in words is "one hundred ninety million, three hundred seventy-five thousand, nine hundred seventy-nine".