710021987 has 2 divisors, whose sum is σ = 710021988. Its totient is φ = 710021986.

The previous prime is 710021959. The next prime is 710022007. The reversal of 710021987 is 789120017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 710021987 - 2⁸ = 710021731 is a prime.

It is not a weakly prime, because it can be changed into another prime (710021927) 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, 355010993 + 355010994.

It is an arithmetic number, because the mean of its divisors is an integer number (355010994).

Almost surely, 2^710021987 is an apocalyptic number.

710021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

710021987 is an equidigital number, since it uses as much as digits as its factorization.

710021987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 710021987 is about 26646.2377644575. The cubic root of 710021987 is about 892.1213492096.

The spelling of 710021987 in words is "seven hundred ten million, twenty-one thousand, nine hundred eighty-seven".