698888061 has 8 divisors (see below), whose sum is σ = 1035389760. Its totient is φ = 465925356.

The previous prime is 698888033. The next prime is 698888089. The reversal of 698888061 is 160888896.

It is an interprime number because it is at equal distance from previous prime (698888033) and next prime (698888089).

It is not a de Polignac number, because 698888061 - 2⁹ = 698887549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698887989 and 698888007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698888011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12942345 + ... + 12942398.

It is an arithmetic number, because the mean of its divisors is an integer number (129423720).

Almost surely, 2^698888061 is an apocalyptic number.

It is an amenable number.

698888061 is a deficient number, since it is larger than the sum of its proper divisors (336501699).

698888061 is a wasteful number, since it uses less digits than its factorization.

698888061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25884752 (or 25884746 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 698888061 is about 26436.4910871318. The cubic root of 698888061 is about 887.4336120677.

The spelling of 698888061 in words is "six hundred ninety-eight million, eight hundred eighty-eight thousand, sixty-one".