427976508 has 12 divisors (see below), whose sum is σ = 998611880. Its totient is φ = 142658832.

The previous prime is 427976489. The next prime is 427976509. The reversal of 427976508 is 805679724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427976509) 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, 17832343 + ... + 17832366.

Almost surely, 2^427976508 is an apocalyptic number.

It is an amenable number.

427976508 is an abundant number, since it is smaller than the sum of its proper divisors (570635372).

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

427976508 is a wasteful number, since it uses less digits than its factorization.

427976508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35664716 (or 35664714 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 427976508 is about 20687.5930934461. The cubic root of 427976508 is about 753.5984160356.

The spelling of 427976508 in words is "four hundred twenty-seven million, nine hundred seventy-six thousand, five hundred eight".