63445078 has 4 divisors (see below), whose sum is σ = 95167620. Its totient is φ = 31722538.

The previous prime is 63445073. The next prime is 63445079. The reversal of 63445078 is 87054436.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63445073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15861268 + ... + 15861271.

It is an arithmetic number, because the mean of its divisors is an integer number (23791905).

Almost surely, 2^63445078 is an apocalyptic number.

63445078 is a deficient number, since it is larger than the sum of its proper divisors (31722542).

63445078 is a wasteful number, since it uses less digits than its factorization.

63445078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31722541.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 63445078 is about 7965.2418670119. The cubic root of 63445078 is about 398.8405549652.

The spelling of 63445078 in words is "sixty-three million, four hundred forty-five thousand, seventy-eight".