427606977 has 12 divisors (see below), whose sum is σ = 663227376. Its totient is φ = 244346760.

The previous prime is 427606969. The next prime is 427606979. The reversal of 427606977 is 779606724.

It is a happy number.

It is not a de Polignac number, because 427606977 - 2³ = 427606969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427606979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1454299 + ... + 1454592.

It is an arithmetic number, because the mean of its divisors is an integer number (55268948).

Almost surely, 2^427606977 is an apocalyptic number.

It is an amenable number.

427606977 is a deficient number, since it is larger than the sum of its proper divisors (235620399).

427606977 is a wasteful number, since it uses less digits than its factorization.

427606977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908908 (or 2908901 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 427606977 is about 20678.6599420756. The cubic root of 427606977 is about 753.3814585166.

The spelling of 427606977 in words is "four hundred twenty-seven million, six hundred six thousand, nine hundred seventy-seven".