690827675 has 18 divisors (see below), whose sum is σ = 868452228. Its totient is φ = 545057280.

The previous prime is 690827663. The next prime is 690827677. The reversal of 690827675 is 576728096.

690827675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690827675 - 2⁴ = 690827659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690827677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1196987 + ... + 1197563.

It is an arithmetic number, because the mean of its divisors is an integer number (48247346).

Almost surely, 2^690827675 is an apocalyptic number.

690827675 is a deficient number, since it is larger than the sum of its proper divisors (177624553).

690827675 is an frugal number, since it uses more digits than its factorization.

690827675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 690827675 is about 26283.6008758313. The cubic root of 690827675 is about 884.0087745592.

The spelling of 690827675 in words is "six hundred ninety million, eight hundred twenty-seven thousand, six hundred seventy-five".