9745723477 has 4 divisors (see below), whose sum is σ = 11137969696. Its totient is φ = 8353477260.

The previous prime is 9745723457. The next prime is 9745723483. The reversal of 9745723477 is 7743275479.

9745723477 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9745723477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745723417) 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, 696123099 + ... + 696123112.

It is an arithmetic number, because the mean of its divisors is an integer number (2784492424).

Almost surely, 2^9745723477 is an apocalyptic number.

It is an amenable number.

9745723477 is a deficient number, since it is larger than the sum of its proper divisors (1392246219).

9745723477 is a wasteful number, since it uses less digits than its factorization.

9745723477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392246218.

The product of its digits is 10372320, while the sum is 55.

The square root of 9745723477 is about 98720.4308995863. The cubic root of 9745723477 is about 2136.0169511863.

The spelling of 9745723477 in words is "nine billion, seven hundred forty-five million, seven hundred twenty-three thousand, four hundred seventy-seven".