670855875 has 16 divisors (see below), whose sum is σ = 1116304800. Its totient is φ = 357789600.

The previous prime is 670855873. The next prime is 670855877. The reversal of 670855875 is 578558076.

It is an interprime number because it is at equal distance from previous prime (670855873) and next prime (670855877).

It is not a de Polignac number, because 670855875 - 2¹ = 670855873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670855873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894100 + ... + 894849.

It is an arithmetic number, because the mean of its divisors is an integer number (69769050).

Almost surely, 2^670855875 is an apocalyptic number.

670855875 is a deficient number, since it is larger than the sum of its proper divisors (445448925).

670855875 is a wasteful number, since it uses less digits than its factorization.

670855875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788967 (or 1788957 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 51.

The square root of 670855875 is about 25900.8856026198. The cubic root of 670855875 is about 875.4064506241.

The spelling of 670855875 in words is "six hundred seventy million, eight hundred fifty-five thousand, eight hundred seventy-five".