9077998 has 4 divisors (see below), whose sum is σ = 13617000. Its totient is φ = 4538998.

The previous prime is 9077993. The next prime is 9078037. The reversal of 9077998 is 8997709.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9077993) 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 as a sum of consecutive naturals, namely, 2269498 + ... + 2269501.

It is an arithmetic number, because the mean of its divisors is an integer number (3404250).

Almost surely, 2^9077998 is an apocalyptic number.

9077998 is a deficient number, since it is larger than the sum of its proper divisors (4539002).

9077998 is a wasteful number, since it uses less digits than its factorization.

9077998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539001.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 9077998 is about 3012.9716228335. The cubic root of 9077998 is about 208.6075524292.

The spelling of 9077998 in words is "nine million, seventy-seven thousand, nine hundred ninety-eight".