972787 has 2 divisors, whose sum is σ = 972788. Its totient is φ = 972786.

The previous prime is 972721. The next prime is 972793. The reversal of 972787 is 787279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972787 - 2¹⁵ = 940019 is a prime.

It is not a weakly prime, because it can be changed into another prime (972887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486393 + 486394.

It is an arithmetic number, because the mean of its divisors is an integer number (486394).

2⁹⁷²⁷⁸⁷ is an apocalyptic number.

972787 is a deficient number, since it is larger than the sum of its proper divisors (1).

972787 is an equidigital number, since it uses as much as digits as its factorization.

972787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 40.

The square root of 972787 is about 986.2996502078. The cubic root of 972787 is about 99.0845449948.

The spelling of 972787 in words is "nine hundred seventy-two thousand, seven hundred eighty-seven".