63293881 has 8 divisors (see below), whose sum is σ = 72680384. Its totient is φ = 53993520.

The previous prime is 63293851. The next prime is 63293897. The reversal of 63293881 is 18839236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63293881 - 2⁵ = 63293849 is a prime.

It is a super-2 number, since 2×63293881² = 8012230744084322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63293821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19950 + ... + 22903.

It is an arithmetic number, because the mean of its divisors is an integer number (9085048).

Almost surely, 2^63293881 is an apocalyptic number.

It is an amenable number.

63293881 is a deficient number, since it is larger than the sum of its proper divisors (9386503).

63293881 is a wasteful number, since it uses less digits than its factorization.

63293881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43071.

The product of its digits is 62208, while the sum is 40.

The square root of 63293881 is about 7955.7451568034. The cubic root of 63293881 is about 398.5234751421.

The spelling of 63293881 in words is "sixty-three million, two hundred ninety-three thousand, eight hundred eighty-one".