9497885477 has 2 divisors, whose sum is σ = 9497885478. Its totient is φ = 9497885476.

The previous prime is 9497885473. The next prime is 9497885491. The reversal of 9497885477 is 7745887949.

9497885477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5577998596 + 3919886881 = 74686^2 + 62609^2 .

It is a cyclic number.

It is not a de Polignac number, because 9497885477 - 2² = 9497885473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9497885473) 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, 4748942738 + 4748942739.

It is an arithmetic number, because the mean of its divisors is an integer number (4748942739).

Almost surely, 2^9497885477 is an apocalyptic number.

It is an amenable number.

9497885477 is a deficient number, since it is larger than the sum of its proper divisors (1).

9497885477 is an equidigital number, since it uses as much as digits as its factorization.

9497885477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142248960, while the sum is 68.

The square root of 9497885477 is about 97457.0955703072. The cubic root of 9497885477 is about 2117.7546445659.

The spelling of 9497885477 in words is "nine billion, four hundred ninety-seven million, eight hundred eighty-five thousand, four hundred seventy-seven".