9238477838 has 8 divisors (see below), whose sum is σ = 13937819688. Its totient is φ = 4592537944.

The previous prime is 9238477837. The next prime is 9238477847. The reversal of 9238477838 is 8387748329.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9238477837) 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, 13350056 + ... + 13350747.

It is an arithmetic number, because the mean of its divisors is an integer number (1742227461).

Almost surely, 2^9238477838 is an apocalyptic number.

9238477838 is a deficient number, since it is larger than the sum of its proper divisors (4699341850).

9238477838 is a wasteful number, since it uses less digits than its factorization.

9238477838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700978.

The product of its digits is 16257024, while the sum is 59.

The square root of 9238477838 is about 96117.0007750970. Note that the first 3 decimals coincide. The cubic root of 9238477838 is about 2098.2962627215.

The spelling of 9238477838 in words is "nine billion, two hundred thirty-eight million, four hundred seventy-seven thousand, eight hundred thirty-eight".