9797378951 has 2 divisors, whose sum is σ = 9797378952. Its totient is φ = 9797378950.

The previous prime is 9797378939. The next prime is 9797378959. The reversal of 9797378951 is 1598737979.

9797378951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9797378951 - 2⁶ = 9797378887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9797378959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898689475 + 4898689476.

It is an arithmetic number, because the mean of its divisors is an integer number (4898689476).

Almost surely, 2^9797378951 is an apocalyptic number.

9797378951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9797378951 is an equidigital number, since it uses as much as digits as its factorization.

9797378951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30005640, while the sum is 65.

The square root of 9797378951 is about 98981.7101842558. The cubic root of 9797378951 is about 2139.7841625127.

The spelling of 9797378951 in words is "nine billion, seven hundred ninety-seven million, three hundred seventy-eight thousand, nine hundred fifty-one".