427795957 has 4 divisors (see below), whose sum is σ = 430268940. Its totient is φ = 425322976.

The previous prime is 427795943. The next prime is 427795969. The reversal of 427795957 is 759597724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 359254116 + 68541841 = 18954^2 + 8279^2 .

It is a cyclic number.

It is not a de Polignac number, because 427795957 - 2⁷ = 427795829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427795898 and 427795907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427795057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236232 + ... + 1236577.

It is an arithmetic number, because the mean of its divisors is an integer number (107567235).

Almost surely, 2^427795957 is an apocalyptic number.

It is an amenable number.

427795957 is a deficient number, since it is larger than the sum of its proper divisors (2472983).

427795957 is a wasteful number, since it uses less digits than its factorization.

427795957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472982.

The product of its digits is 5556600, while the sum is 55.

The square root of 427795957 is about 20683.2288823578. The cubic root of 427795957 is about 753.4924272853.

The spelling of 427795957 in words is "four hundred twenty-seven million, seven hundred ninety-five thousand, nine hundred fifty-seven".