427277136 has 120 divisors (see below), whose sum is σ = 1306826080. Its totient is φ = 119496960.

The previous prime is 427277093. The next prime is 427277159. The reversal of 427277136 is 631772724.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 427277094 and 427277103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72675 + ... + 78333.

Almost surely, 2^427277136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427277136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653413040).

427277136 is an abundant number, since it is smaller than the sum of its proper divisors (879548944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427277136 is a wasteful number, since it uses less digits than its factorization.

427277136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705 (or 5688 counting only the distinct ones).

The product of its digits is 98784, while the sum is 39.

The square root of 427277136 is about 20670.6830075835. The cubic root of 427277136 is about 753.1876980245.

The spelling of 427277136 in words is "four hundred twenty-seven million, two hundred seventy-seven thousand, one hundred thirty-six".