427258877 has 2 divisors, whose sum is σ = 427258878. Its totient is φ = 427258876.

The previous prime is 427258849. The next prime is 427258883. The reversal of 427258877 is 778852724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235131556 + 192127321 = 15334^2 + 13861^2 .

It is a cyclic number.

It is not a de Polignac number, because 427258877 - 2⁶ = 427258813 is a prime.

It is a super-2 number, since 2×427258877² = 365100295950602258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427258817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213629438 + 213629439.

It is an arithmetic number, because the mean of its divisors is an integer number (213629439).

Almost surely, 2^427258877 is an apocalyptic number.

It is an amenable number.

427258877 is a deficient number, since it is larger than the sum of its proper divisors (1).

427258877 is an equidigital number, since it uses as much as digits as its factorization.

427258877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1756160, while the sum is 50.

The square root of 427258877 is about 20670.2413386975. The cubic root of 427258877 is about 753.1769691174.

The spelling of 427258877 in words is "four hundred twenty-seven million, two hundred fifty-eight thousand, eight hundred seventy-seven".