9090928247 has 2 divisors, whose sum is σ = 9090928248. Its totient is φ = 9090928246.

The previous prime is 9090928243. The next prime is 9090928261. The reversal of 9090928247 is 7428290909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9090928247 - 2² = 9090928243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9090928195 and 9090928204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090928241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545464123 + 4545464124.

It is an arithmetic number, because the mean of its divisors is an integer number (4545464124).

Almost surely, 2^9090928247 is an apocalyptic number.

9090928247 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090928247 is an equidigital number, since it uses as much as digits as its factorization.

9090928247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 9090928247 is about 95346.3593798945. The cubic root of 9090928247 is about 2087.0654883551.

The spelling of 9090928247 in words is "nine billion, ninety million, nine hundred twenty-eight thousand, two hundred forty-seven".