427252477 has 8 divisors (see below), whose sum is σ = 430161336. Its totient is φ = 424353792.

The previous prime is 427252459. The next prime is 427252489. The reversal of 427252477 is 774252724.

It can be written as a sum of positive squares in 4 ways, for example, as 240684196 + 186568281 = 15514^2 + 13659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427252477 - 2²³ = 418863869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427252417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93633 + ... + 98089.

It is an arithmetic number, because the mean of its divisors is an integer number (53770167).

Almost surely, 2^427252477 is an apocalyptic number.

It is an amenable number.

427252477 is a deficient number, since it is larger than the sum of its proper divisors (2908859).

427252477 is a wasteful number, since it uses less digits than its factorization.

427252477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087.

The product of its digits is 219520, while the sum is 40.

The square root of 427252477 is about 20670.0865261856. The cubic root of 427252477 is about 753.1732084336.

The spelling of 427252477 in words is "four hundred twenty-seven million, two hundred fifty-two thousand, four hundred seventy-seven".