92119981 has 4 divisors (see below), whose sum is σ = 92167200. Its totient is φ = 92072764.

The previous prime is 92119931. The next prime is 92119987. The reversal of 92119981 is 18991129.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 92119981 - 2¹⁷ = 91988909 is a prime.

It is a super-2 number, since 2×92119981² = 16972181798880722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92119987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20551 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (23041800).

Almost surely, 2^92119981 is an apocalyptic number.

It is an amenable number.

92119981 is a deficient number, since it is larger than the sum of its proper divisors (47219).

92119981 is a wasteful number, since it uses less digits than its factorization.

92119981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47218.

The product of its digits is 11664, while the sum is 40.

The square root of 92119981 is about 9597.9154507633. The cubic root of 92119981 is about 451.6319036317.

It can be divided in two parts, 921 and 19981, that added together give a palindrome (20902).

The spelling of 92119981 in words is "ninety-two million, one hundred nineteen thousand, nine hundred eighty-one".