688872354 has 16 divisors (see below), whose sum is σ = 1386522048. Its totient is φ = 228161232.

The previous prime is 688872319. The next prime is 688872389. The reversal of 688872354 is 453278886.

It is a happy number.

688872354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (688872319) and next prime (688872389).

It is a junction number, because it is equal to n+sod(n) for n = 688872297 and 688872306.

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, 364702 + ... + 366585.

It is an arithmetic number, because the mean of its divisors is an integer number (86657628).

Almost surely, 2^688872354 is an apocalyptic number.

688872354 is an abundant number, since it is smaller than the sum of its proper divisors (697649694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

688872354 is a wasteful number, since it uses less digits than its factorization.

688872354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731449.

The product of its digits is 2580480, while the sum is 51.

The square root of 688872354 is about 26246.3779215342. The cubic root of 688872354 is about 883.1739526218.

The spelling of 688872354 in words is "six hundred eighty-eight million, eight hundred seventy-two thousand, three hundred fifty-four".