479961851 has 2 divisors, whose sum is σ = 479961852. Its totient is φ = 479961850.

The previous prime is 479961767. The next prime is 479961877. The reversal of 479961851 is 158169974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479961851 - 2¹⁰ = 479960827 is a prime.

It is a super-3 number, since 3×479961851³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479961851.

It is not a weakly prime, because it can be changed into another prime (479961551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239980925 + 239980926.

It is an arithmetic number, because the mean of its divisors is an integer number (239980926).

Almost surely, 2^479961851 is an apocalyptic number.

479961851 is a deficient number, since it is larger than the sum of its proper divisors (1).

479961851 is an equidigital number, since it uses as much as digits as its factorization.

479961851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 479961851 is about 21908.0316550803. The cubic root of 479961851 is about 782.9527848668.

The spelling of 479961851 in words is "four hundred seventy-nine million, nine hundred sixty-one thousand, eight hundred fifty-one".