698780048 has 20 divisors (see below), whose sum is σ = 1359704268. Its totient is φ = 347888640.

The previous prime is 698780023. The next prime is 698780077. The reversal of 698780048 is 840087896.

It can be written as a sum of positive squares in 2 ways, for example, as 224760064 + 474019984 = 14992^2 + 21772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 698779978 and 698780005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89993 + ... + 97448.

Almost surely, 2^698780048 is an apocalyptic number.

It is an amenable number.

698780048 is a deficient number, since it is larger than the sum of its proper divisors (660924220).

698780048 is a wasteful number, since it uses less digits than its factorization.

698780048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187682 (or 187676 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 698780048 is about 26434.4481311791. The cubic root of 698780048 is about 887.3878921542.

The spelling of 698780048 in words is "six hundred ninety-eight million, seven hundred eighty thousand, forty-eight".