92129989 has 4 divisors (see below), whose sum is σ = 105291424. Its totient is φ = 78968556.

The previous prime is 92129981. The next prime is 92130007. The reversal of 92129989 is 98992129.

It is a happy number.

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 92129989 - 2³ = 92129981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92129981) 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, 6580707 + ... + 6580720.

It is an arithmetic number, because the mean of its divisors is an integer number (26322856).

Almost surely, 2^92129989 is an apocalyptic number.

It is an amenable number.

92129989 is a deficient number, since it is larger than the sum of its proper divisors (13161435).

92129989 is a wasteful number, since it uses less digits than its factorization.

92129989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161434.

The product of its digits is 209952, while the sum is 49.

The square root of 92129989 is about 9598.4367998128. The cubic root of 92129989 is about 451.6482582755.

The spelling of 92129989 in words is "ninety-two million, one hundred twenty-nine thousand, nine hundred eighty-nine".