63880045 has 4 divisors (see below), whose sum is σ = 76656060. Its totient is φ = 51104032.

The previous prime is 63880043. The next prime is 63880081. The reversal of 63880045 is 54008836.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 52577001 = 3362^2 + 7251^2 .

It is a cyclic number.

It is not a de Polignac number, because 63880045 - 2¹ = 63880043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63880043) 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, 6388000 + ... + 6388009.

It is an arithmetic number, because the mean of its divisors is an integer number (19164015).

Almost surely, 2^63880045 is an apocalyptic number.

It is an amenable number.

63880045 is a deficient number, since it is larger than the sum of its proper divisors (12776015).

63880045 is a wasteful number, since it uses less digits than its factorization.

63880045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776014.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 63880045 is about 7992.4992962152. The cubic root of 63880045 is about 399.7499374544.

The spelling of 63880045 in words is "sixty-three million, eight hundred eighty thousand, forty-five".