472640879 has 2 divisors, whose sum is σ = 472640880. Its totient is φ = 472640878.

The previous prime is 472640873. The next prime is 472640881. The reversal of 472640879 is 978046274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472640879 - 2¹⁶ = 472575343 is a prime.

Together with 472640881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472640873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236320439 + 236320440.

It is an arithmetic number, because the mean of its divisors is an integer number (236320440).

Almost surely, 2^472640879 is an apocalyptic number.

472640879 is a deficient number, since it is larger than the sum of its proper divisors (1).

472640879 is an equidigital number, since it uses as much as digits as its factorization.

472640879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 472640879 is about 21740.3054026387. The cubic root of 472640879 is about 778.9515164085.

The spelling of 472640879 in words is "four hundred seventy-two million, six hundred forty thousand, eight hundred seventy-nine".