63796381 has 8 divisors (see below), whose sum is σ = 69856128. Its totient is φ = 57780000.

The previous prime is 63796367. The next prime is 63796387. The reversal of 63796381 is 18369736.

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

It is a cyclic number.

It is not a de Polignac number, because 63796381 - 2¹¹ = 63794333 is a prime.

It is a super-2 number, since 2×63796381² = 8139956457394322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63796387) 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, 7720 + ... + 13681.

It is an arithmetic number, because the mean of its divisors is an integer number (8732016).

Almost surely, 2^63796381 is an apocalyptic number.

It is an amenable number.

63796381 is a deficient number, since it is larger than the sum of its proper divisors (6059747).

63796381 is a wasteful number, since it uses less digits than its factorization.

63796381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21683.

The product of its digits is 163296, while the sum is 43.

The square root of 63796381 is about 7987.2636741252. The cubic root of 63796381 is about 399.5753430758.

The spelling of 63796381 in words is "sixty-three million, seven hundred ninety-six thousand, three hundred eighty-one".