698080869 has 8 divisors (see below), whose sum is σ = 1034193920. Its totient is φ = 465387228.

The previous prime is 698080849. The next prime is 698080871. The reversal of 698080869 is 968080896.

It is not a de Polignac number, because 698080869 - 2¹² = 698076773 is a prime.

It is a super-2 number, since 2×698080869² = 974633799327590322, which contains 22 as substring.

698080869 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698080819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12927397 + ... + 12927450.

It is an arithmetic number, because the mean of its divisors is an integer number (129274240).

Almost surely, 2^698080869 is an apocalyptic number.

It is an amenable number.

698080869 is a deficient number, since it is larger than the sum of its proper divisors (336113051).

698080869 is a wasteful number, since it uses less digits than its factorization.

698080869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854856 (or 25854850 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 698080869 is about 26421.2200513148. The cubic root of 698080869 is about 887.0918285462.

The spelling of 698080869 in words is "six hundred ninety-eight million, eighty thousand, eight hundred sixty-nine".