654672811 has 8 divisors (see below), whose sum is σ = 705451824. Its totient is φ = 603953760.

The previous prime is 654672779. The next prime is 654672829. The reversal of 654672811 is 118276456.

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

It is a cyclic number.

It is not a de Polignac number, because 654672811 - 2⁵ = 654672779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654672881) 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, 9141 + ... + 37321.

It is an arithmetic number, because the mean of its divisors is an integer number (88181478).

Almost surely, 2^654672811 is an apocalyptic number.

654672811 is a deficient number, since it is larger than the sum of its proper divisors (50779013).

654672811 is a wasteful number, since it uses less digits than its factorization.

654672811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29981.

The product of its digits is 80640, while the sum is 40.

The square root of 654672811 is about 25586.5748196198. The cubic root of 654672811 is about 868.3099312104.

The spelling of 654672811 in words is "six hundred fifty-four million, six hundred seventy-two thousand, eight hundred eleven".