675678129 has 16 divisors (see below), whose sum is σ = 1030369152. Its totient is φ = 385815168.

The previous prime is 675678023. The next prime is 675678131. The reversal of 675678129 is 921876576.

It is not a de Polignac number, because 675678129 - 2⁷ = 675678001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675678149) 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, 18867 + ... + 41319.

It is an arithmetic number, because the mean of its divisors is an integer number (64398072).

Almost surely, 2^675678129 is an apocalyptic number.

It is an amenable number.

675678129 is a deficient number, since it is larger than the sum of its proper divisors (354691023).

675678129 is a wasteful number, since it uses less digits than its factorization.

675678129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896.

The product of its digits is 1270080, while the sum is 51.

The square root of 675678129 is about 25993.8094360946. The cubic root of 675678129 is about 877.4989803642.

The spelling of 675678129 in words is "six hundred seventy-five million, six hundred seventy-eight thousand, one hundred twenty-nine".