192977313 has 16 divisors (see below), whose sum is σ = 259861056. Its totient is φ = 127379520.

The previous prime is 192977297. The next prime is 192977327. The reversal of 192977313 is 313779291.

It is not a de Polignac number, because 192977313 - 2⁴ = 192977297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192977413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149770 + ... + 151052.

It is an arithmetic number, because the mean of its divisors is an integer number (16241316).

Almost surely, 2^192977313 is an apocalyptic number.

It is an amenable number.

192977313 is a deficient number, since it is larger than the sum of its proper divisors (66883743).

192977313 is a wasteful number, since it uses less digits than its factorization.

192977313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its digits is 71442, while the sum is 42.

The square root of 192977313 is about 13891.6274424561. The cubic root of 192977313 is about 577.8770117427.

The spelling of 192977313 in words is "one hundred ninety-two million, nine hundred seventy-seven thousand, three hundred thirteen".