4455497678 has 4 divisors (see below), whose sum is σ = 6683246520. Its totient is φ = 2227748838.

The previous prime is 4455497659. The next prime is 4455497687. The reversal of 4455497678 is 8767945544.

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, 1113874418 + ... + 1113874421.

It is an arithmetic number, because the mean of its divisors is an integer number (1670811630).

Almost surely, 2^4455497678 is an apocalyptic number.

4455497678 is a deficient number, since it is larger than the sum of its proper divisors (2227748842).

4455497678 is a wasteful number, since it uses less digits than its factorization.

4455497678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227748841.

The product of its digits is 33868800, while the sum is 59.

The square root of 4455497678 is about 66749.5144401815. The cubic root of 4455497678 is about 1645.5032354473.

The spelling of 4455497678 in words is "four billion, four hundred fifty-five million, four hundred ninety-seven thousand, six hundred seventy-eight".