9078997 has 4 divisors (see below), whose sum is σ = 9473760. Its totient is φ = 8684236.

The previous prime is 9078973. The next prime is 9079013. The reversal of 9078997 is 7998709.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7998709 = 601 ⋅13309.

It is a cyclic number.

It is not a de Polignac number, because 9078997 - 2⁷ = 9078869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9078997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9078397) 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, 197347 + ... + 197392.

It is an arithmetic number, because the mean of its divisors is an integer number (2368440).

Almost surely, 2^9078997 is an apocalyptic number.

It is an amenable number.

9078997 is a deficient number, since it is larger than the sum of its proper divisors (394763).

9078997 is a wasteful number, since it uses less digits than its factorization.

9078997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394762.

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

The square root of 9078997 is about 3013.1374014472. The cubic root of 9078997 is about 208.6152043109.

The spelling of 9078997 in words is "nine million, seventy-eight thousand, nine hundred ninety-seven".