63279489 has 32 divisors (see below), whose sum is σ = 104468224. Its totient is φ = 33177600.

The previous prime is 63279439. The next prime is 63279493. The reversal of 63279489 is 98497236.

It is not a de Polignac number, because 63279489 - 2¹⁵ = 63246721 is a prime.

It is a super-2 number, since 2×63279489² = 8008587456202242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63279439) 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 in 31 ways as a sum of consecutive naturals, for example, 52089 + ... + 53289.

It is an arithmetic number, because the mean of its divisors is an integer number (3264632).

Almost surely, 2^63279489 is an apocalyptic number.

It is an amenable number.

63279489 is a deficient number, since it is larger than the sum of its proper divisors (41188735).

63279489 is a wasteful number, since it uses less digits than its factorization.

63279489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417.

The product of its digits is 653184, while the sum is 48.

The square root of 63279489 is about 7954.8406017971. The cubic root of 63279489 is about 398.4932669317.

The spelling of 63279489 in words is "sixty-three million, two hundred seventy-nine thousand, four hundred eighty-nine".