971374787 has 2 divisors, whose sum is σ = 971374788. Its totient is φ = 971374786.

The previous prime is 971374771. The next prime is 971374819. The reversal of 971374787 is 787473179.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971374787 - 2⁴ = 971374771 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (971373787) 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, 485687393 + 485687394.

It is an arithmetic number, because the mean of its divisors is an integer number (485687394).

Almost surely, 2^971374787 is an apocalyptic number.

971374787 is a deficient number, since it is larger than the sum of its proper divisors (1).

971374787 is an equidigital number, since it uses as much as digits as its factorization.

971374787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 53.

The square root of 971374787 is about 31166.8860651814. The cubic root of 971374787 is about 990.3657414766.

The spelling of 971374787 in words is "nine hundred seventy-one million, three hundred seventy-four thousand, seven hundred eighty-seven".