427461577 has 2 divisors, whose sum is σ = 427461578. Its totient is φ = 427461576.

The previous prime is 427461547. The next prime is 427461623. The reversal of 427461577 is 775164724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427207561 + 254016 = 20669^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 427461577 - 2¹⁵ = 427428809 is a prime.

It is a super-2 number, since 2×427461577² = 365446799622653858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427461547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213730788 + 213730789.

It is an arithmetic number, because the mean of its divisors is an integer number (213730789).

Almost surely, 2^427461577 is an apocalyptic number.

It is an amenable number.

427461577 is a deficient number, since it is larger than the sum of its proper divisors (1).

427461577 is an equidigital number, since it uses as much as digits as its factorization.

427461577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 43.

The square root of 427461577 is about 20675.1439414578. The cubic root of 427461577 is about 753.2960576008.

The spelling of 427461577 in words is "four hundred twenty-seven million, four hundred sixty-one thousand, five hundred seventy-seven".