9240778897 has 8 divisors (see below), whose sum is σ = 10846319936. Its totient is φ = 7706595312.

The previous prime is 9240778873. The next prime is 9240778909. The reversal of 9240778897 is 7988770429.

9240778897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9240778897 - 2¹⁹ = 9240254609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9240778397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17839083 + ... + 17839600.

It is an arithmetic number, because the mean of its divisors is an integer number (1355789992).

Almost surely, 2^9240778897 is an apocalyptic number.

It is an amenable number.

9240778897 is a deficient number, since it is larger than the sum of its proper divisors (1605541039).

9240778897 is a wasteful number, since it uses less digits than its factorization.

9240778897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35678727.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The square root of 9240778897 is about 96128.9701234753. The cubic root of 9240778897 is about 2098.4704581814.

The spelling of 9240778897 in words is "nine billion, two hundred forty million, seven hundred seventy-eight thousand, eight hundred ninety-seven".