9772487 has 2 divisors, whose sum is σ = 9772488. Its totient is φ = 9772486.

The previous prime is 9772453. The next prime is 9772489. The reversal of 9772487 is 7842779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9772487 - 2⁶ = 9772423 is a prime.

Together with 9772489, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9772489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886243 + 4886244.

It is an arithmetic number, because the mean of its divisors is an integer number (4886244).

Almost surely, 2^9772487 is an apocalyptic number.

9772487 is a deficient number, since it is larger than the sum of its proper divisors (1).

9772487 is an equidigital number, since it uses as much as digits as its factorization.

9772487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 9772487 is about 3126.0977271992. The cubic root of 9772487 is about 213.7970460607.

The spelling of 9772487 in words is "nine million, seven hundred seventy-two thousand, four hundred eighty-seven".