709412887 has 2 divisors, whose sum is σ = 709412888. Its totient is φ = 709412886.

The previous prime is 709412867. The next prime is 709412903. The reversal of 709412887 is 788214907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 709412887 - 2¹¹ = 709410839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709412807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354706443 + 354706444.

It is an arithmetic number, because the mean of its divisors is an integer number (354706444).

Almost surely, 2^709412887 is an apocalyptic number.

709412887 is a deficient number, since it is larger than the sum of its proper divisors (1).

709412887 is an equidigital number, since it uses as much as digits as its factorization.

709412887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 709412887 is about 26634.8059313373. The cubic root of 709412887 is about 891.8661709275.

The spelling of 709412887 in words is "seven hundred nine million, four hundred twelve thousand, eight hundred eighty-seven".