455051878687 has 4 divisors (see below), whose sum is σ = 520059289936. Its totient is φ = 390044467440.

The previous prime is 455051878661. The next prime is 455051878709. The reversal of 455051878687 is 786878150554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455051878687 - 2⁷ = 455051878559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455051878627) 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, 32503705614 + ... + 32503705627.

It is an arithmetic number, because the mean of its divisors is an integer number (130014822484).

Almost surely, 2^455051878687 is an apocalyptic number.

455051878687 is a deficient number, since it is larger than the sum of its proper divisors (65007411249).

455051878687 is an equidigital number, since it uses as much as digits as its factorization.

455051878687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65007411248.

The product of its (nonzero) digits is 75264000, while the sum is 64.

The spelling of 455051878687 in words is "four hundred fifty-five billion, fifty-one million, eight hundred seventy-eight thousand, six hundred eighty-seven".