426488977 has 8 divisors (see below), whose sum is σ = 451301760. Its totient is φ = 402198720.

The previous prime is 426488957. The next prime is 426488989. The reversal of 426488977 is 779884624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426488977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426488927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128952 + ... + 132217.

It is an arithmetic number, because the mean of its divisors is an integer number (56412720).

Almost surely, 2^426488977 is an apocalyptic number.

It is an amenable number.

426488977 is a deficient number, since it is larger than the sum of its proper divisors (24812783).

426488977 is a wasteful number, since it uses less digits than its factorization.

426488977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261263.

The product of its digits is 5419008, while the sum is 55.

The square root of 426488977 is about 20651.6095498632. The cubic root of 426488977 is about 752.7243008573.

The spelling of 426488977 in words is "four hundred twenty-six million, four hundred eighty-eight thousand, nine hundred seventy-seven".