427472579 has 2 divisors, whose sum is σ = 427472580. Its totient is φ = 427472578.

The previous prime is 427472561. The next prime is 427472593. The reversal of 427472579 is 975274724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427472579 is a prime.

It is a super-2 number, since 2×427472579² = 365465611593822482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427477579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213736289 + 213736290.

It is an arithmetic number, because the mean of its divisors is an integer number (213736290).

Almost surely, 2^427472579 is an apocalyptic number.

427472579 is a deficient number, since it is larger than the sum of its proper divisors (1).

427472579 is an equidigital number, since it uses as much as digits as its factorization.

427472579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The square root of 427472579 is about 20675.4100080264. The cubic root of 427472579 is about 753.3025203197.

The spelling of 427472579 in words is "four hundred twenty-seven million, four hundred seventy-two thousand, five hundred seventy-nine".