63980458 has 4 divisors (see below), whose sum is σ = 95970690. Its totient is φ = 31990228.

The previous prime is 63980453. The next prime is 63980471. The reversal of 63980458 is 85408936.

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

It can be written as a sum of positive squares in only one way, i.e., 38850289 + 25130169 = 6233^2 + 5013^2 .

It is not an unprimeable number, because it can be changed into a prime (63980453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15995113 + ... + 15995116.

Almost surely, 2^63980458 is an apocalyptic number.

63980458 is a deficient number, since it is larger than the sum of its proper divisors (31990232).

63980458 is a wasteful number, since it uses less digits than its factorization.

63980458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31990231.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 63980458 is about 7998.7785317510. The cubic root of 63980458 is about 399.9592833555.

The spelling of 63980458 in words is "sixty-three million, nine hundred eighty thousand, four hundred fifty-eight".