675127665 has 24 divisors (see below), whose sum is σ = 1231813440. Its totient is φ = 341116704.

The previous prime is 675127657. The next prime is 675127667. The reversal of 675127665 is 566721576.

675127665 is a `hidden beast` number, since 6 + 7 + 512 + 76 + 65 = 666.

It is not a de Polignac number, because 675127665 - 2³ = 675127657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 675127665.

It is not an unprimeable number, because it can be changed into a prime (675127667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393957 + ... + 395666.

It is an arithmetic number, because the mean of its divisors is an integer number (51325560).

Almost surely, 2^675127665 is an apocalyptic number.

It is an amenable number.

675127665 is a deficient number, since it is larger than the sum of its proper divisors (556685775).

675127665 is a wasteful number, since it uses less digits than its factorization.

675127665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789653 (or 789650 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 675127665 is about 25983.2189114436. The cubic root of 675127665 is about 877.2606208998.

The spelling of 675127665 in words is "six hundred seventy-five million, one hundred twenty-seven thousand, six hundred sixty-five".