99892047 has 8 divisors (see below), whose sum is σ = 133282944. Its totient is φ = 66547928.

The previous prime is 99892021. The next prime is 99892057. The reversal of 99892047 is 74029899.

It is a happy number.

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 99892047 - 2⁷ = 99891919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99891987 and 99892005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99892007) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6363 + ... + 15500.

It is an arithmetic number, because the mean of its divisors is an integer number (16660368).

Almost surely, 2^99892047 is an apocalyptic number.

99892047 is a deficient number, since it is larger than the sum of its proper divisors (33390897).

99892047 is a wasteful number, since it uses less digits than its factorization.

99892047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23389.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 99892047 is about 9994.6008924819. The cubic root of 99892047 is about 463.9917987428.

The spelling of 99892047 in words is "ninety-nine million, eight hundred ninety-two thousand, forty-seven".