898061687 has 2 divisors, whose sum is σ = 898061688. Its totient is φ = 898061686.

The previous prime is 898061641. The next prime is 898061707. The reversal of 898061687 is 786160898.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-898061687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898061287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449030843 + 449030844.

It is an arithmetic number, because the mean of its divisors is an integer number (449030844).

Almost surely, 2^898061687 is an apocalyptic number.

898061687 is a deficient number, since it is larger than the sum of its proper divisors (1).

898061687 is an equidigital number, since it uses as much as digits as its factorization.

898061687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 898061687 is about 29967.6773707940. The cubic root of 898061687 is about 964.7957676736.

The spelling of 898061687 in words is "eight hundred ninety-eight million, sixty-one thousand, six hundred eighty-seven".