455648678 has 8 divisors (see below), whose sum is σ = 685888968. Its totient is φ = 227019024.

The previous prime is 455648663. The next prime is 455648689. The reversal of 455648678 is 876846554.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401951 + ... + 403082.

It is an arithmetic number, because the mean of its divisors is an integer number (85736121).

Almost surely, 2^455648678 is an apocalyptic number.

455648678 is a deficient number, since it is larger than the sum of its proper divisors (230240290).

455648678 is a wasteful number, since it uses less digits than its factorization.

455648678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805318.

The product of its digits is 6451200, while the sum is 53.

The square root of 455648678 is about 21345.9288390082. The cubic root of 455648678 is about 769.5025054232.

The spelling of 455648678 in words is "four hundred fifty-five million, six hundred forty-eight thousand, six hundred seventy-eight".