427116538 has 4 divisors (see below), whose sum is σ = 640674810. Its totient is φ = 213558268.

The previous prime is 427116499. The next prime is 427116563. The reversal of 427116538 is 835611724.

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

It can be written as a sum of positive squares in only one way, i.e., 315666289 + 111450249 = 17767^2 + 10557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427116497 and 427116506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106779133 + ... + 106779136.

Almost surely, 2^427116538 is an apocalyptic number.

427116538 is a deficient number, since it is larger than the sum of its proper divisors (213558272).

427116538 is a wasteful number, since it uses less digits than its factorization.

427116538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213558271.

The product of its digits is 40320, while the sum is 37.

The square root of 427116538 is about 20666.7979619485. The cubic root of 427116538 is about 753.0933208738.

The spelling of 427116538 in words is "four hundred twenty-seven million, one hundred sixteen thousand, five hundred thirty-eight".