9273564478 has 4 divisors (see below), whose sum is σ = 13910346720. Its totient is φ = 4636782238.

The previous prime is 9273564473. The next prime is 9273564491. The reversal of 9273564478 is 8744653729.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9273564473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318391118 + ... + 2318391121.

It is an arithmetic number, because the mean of its divisors is an integer number (3477586680).

Almost surely, 2^9273564478 is an apocalyptic number.

9273564478 is a deficient number, since it is larger than the sum of its proper divisors (4636782242).

9273564478 is a wasteful number, since it uses less digits than its factorization.

9273564478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636782241.

The product of its digits is 10160640, while the sum is 55.

The square root of 9273564478 is about 96299.3482740148. The cubic root of 9273564478 is about 2100.9492668305.

The spelling of 9273564478 in words is "nine billion, two hundred seventy-three million, five hundred sixty-four thousand, four hundred seventy-eight".