9231481078 has 4 divisors (see below), whose sum is σ = 13847221620. Its totient is φ = 4615740538.

The previous prime is 9231481073. The next prime is 9231481081. The reversal of 9231481078 is 8701841329.

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 (9231481073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2307870268 + ... + 2307870271.

It is an arithmetic number, because the mean of its divisors is an integer number (3461805405).

Almost surely, 2^9231481078 is an apocalyptic number.

9231481078 is a deficient number, since it is larger than the sum of its proper divisors (4615740542).

9231481078 is a wasteful number, since it uses less digits than its factorization.

9231481078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615740541.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 9231481078 is about 96080.5967820767. The cubic root of 9231481078 is about 2097.7664141373.

The spelling of 9231481078 in words is "nine billion, two hundred thirty-one million, four hundred eighty-one thousand, seventy-eight".