9779473 has 4 divisors (see below), whose sum is σ = 10668528. Its totient is φ = 8890420.

The previous prime is 9779453. The next prime is 9779491. The reversal of 9779473 is 3749779.

9779473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 3749779 = 11 ⋅340889.

It is not a de Polignac number, because 9779473 - 2²¹ = 7682321 is a prime.

It is a Duffinian number.

9779473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9779423) 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, 444511 + ... + 444532.

It is an arithmetic number, because the mean of its divisors is an integer number (2667132).

Almost surely, 2^9779473 is an apocalyptic number.

It is an amenable number.

9779473 is a deficient number, since it is larger than the sum of its proper divisors (889055).

9779473 is a wasteful number, since it uses less digits than its factorization.

9779473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889054.

The product of its digits is 333396, while the sum is 46.

The square root of 9779473 is about 3127.2148950784. The cubic root of 9779473 is about 213.8479792026.

The spelling of 9779473 in words is "nine million, seven hundred seventy-nine thousand, four hundred seventy-three".