698648975 has 6 divisors (see below), whose sum is σ = 866324760. Its totient is φ = 558919160.

The previous prime is 698648969. The next prime is 698649011. The reversal of 698648975 is 579846896.

It is not a de Polignac number, because 698648975 - 2¹⁰ = 698647951 is a prime.

It is a super-2 number, since 2×698648975² = 976220780537101250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13972955 + ... + 13973004.

It is an arithmetic number, because the mean of its divisors is an integer number (144387460).

Almost surely, 2^698648975 is an apocalyptic number.

698648975 is a deficient number, since it is larger than the sum of its proper divisors (167675785).

698648975 is a wasteful number, since it uses less digits than its factorization.

698648975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27945969 (or 27945964 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The square root of 698648975 is about 26431.9688067310. The cubic root of 698648975 is about 887.3324050393.

The spelling of 698648975 in words is "six hundred ninety-eight million, six hundred forty-eight thousand, nine hundred seventy-five".