427558716 has 96 divisors (see below), whose sum is σ = 1235035200. Its totient is φ = 127008000.

The previous prime is 427558697. The next prime is 427558741. The reversal of 427558716 is 617855724.

427558716 is a `hidden beast` number, since 4 + 27 + 558 + 71 + 6 = 666.

It is a super-3 number, since 3×427558716³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35466 + ... + 45966.

It is an arithmetic number, because the mean of its divisors is an integer number (12864950).

Almost surely, 2^427558716 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 427558716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617517600).

427558716 is an abundant number, since it is smaller than the sum of its proper divisors (807476484).

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

427558716 is a wasteful number, since it uses less digits than its factorization.

427558716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10556 (or 10548 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 427558716 is about 20677.4929815004. The cubic root of 427558716 is about 753.3531144900.

The spelling of 427558716 in words is "four hundred twenty-seven million, five hundred fifty-eight thousand, seven hundred sixteen".