688795354 has 16 divisors (see below), whose sum is σ = 1114498728. Its totient is φ = 317382912.

The previous prime is 688795339. The next prime is 688795381. The reversal of 688795354 is 453597886.

688795354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60140025 + 628655329 = 7755^2 + 25073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 688795295 and 688795304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5427 + ... + 37510.

Almost surely, 2^688795354 is an apocalyptic number.

688795354 is a deficient number, since it is larger than the sum of its proper divisors (425703374).

688795354 is a wasteful number, since it uses less digits than its factorization.

688795354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43569.

The product of its digits is 7257600, while the sum is 55.

The square root of 688795354 is about 26244.9110114704. The cubic root of 688795354 is about 883.1410452538.

The spelling of 688795354 in words is "six hundred eighty-eight million, seven hundred ninety-five thousand, three hundred fifty-four".