688533485 has 8 divisors (see below), whose sum is σ = 831188736. Its totient is φ = 547527760.

The previous prime is 688533431. The next prime is 688533487. The reversal of 688533485 is 584335886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 688533485 - 2¹⁸ = 688271341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688533487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411461 + ... + 413130.

It is an arithmetic number, because the mean of its divisors is an integer number (103898592).

Almost surely, 2^688533485 is an apocalyptic number.

It is an amenable number.

688533485 is a deficient number, since it is larger than the sum of its proper divisors (142655251).

688533485 is a wasteful number, since it uses less digits than its factorization.

688533485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824763.

The product of its digits is 2764800, while the sum is 50.

The square root of 688533485 is about 26239.9215890597. The cubic root of 688533485 is about 883.0291123576.

The spelling of 688533485 in words is "six hundred eighty-eight million, five hundred thirty-three thousand, four hundred eighty-five".