479871157 has 2 divisors, whose sum is σ = 479871158. Its totient is φ = 479871156.

The previous prime is 479871101. The next prime is 479871191. The reversal of 479871157 is 751178974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356794321 + 123076836 = 18889^2 + 11094^2 .

It is a cyclic number.

It is not a de Polignac number, because 479871157 - 2¹⁹ = 479346869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479871157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479871757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239935578 + 239935579.

It is an arithmetic number, because the mean of its divisors is an integer number (239935579).

Almost surely, 2^479871157 is an apocalyptic number.

It is an amenable number.

479871157 is a deficient number, since it is larger than the sum of its proper divisors (1).

479871157 is an equidigital number, since it uses as much as digits as its factorization.

479871157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 49.

The square root of 479871157 is about 21905.9616771326. The cubic root of 479871157 is about 782.9034659519.

The spelling of 479871157 in words is "four hundred seventy-nine million, eight hundred seventy-one thousand, one hundred fifty-seven".