455280464878 has 4 divisors (see below), whose sum is σ = 682920697320. Its totient is φ = 227640232438.

The previous prime is 455280464869. The next prime is 455280464917. The reversal of 455280464878 is 878464082554.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113820116218 + ... + 113820116221.

It is an arithmetic number, because the mean of its divisors is an integer number (170730174330).

Almost surely, 2^455280464878 is an apocalyptic number.

455280464878 is a deficient number, since it is larger than the sum of its proper divisors (227640232442).

455280464878 is a wasteful number, since it uses less digits than its factorization.

455280464878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227640232441.

The product of its (nonzero) digits is 68812800, while the sum is 61.

The spelling of 455280464878 in words is "four hundred fifty-five billion, two hundred eighty million, four hundred sixty-four thousand, eight hundred seventy-eight".