63977796 has 24 divisors (see below), whose sum is σ = 165868640. Its totient is φ = 21325896.

The previous prime is 63977779. The next prime is 63977801. The reversal of 63977796 is 69777936.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 296086 + ... + 296301.

Almost surely, 2^63977796 is an apocalyptic number.

It is an amenable number.

63977796 is an abundant number, since it is smaller than the sum of its proper divisors (101890844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63977796 is a wasteful number, since it uses less digits than its factorization.

63977796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592400 (or 592392 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 54.

The square root of 63977796 is about 7998.6121296135. The cubic root of 63977796 is about 399.9537363161.

The spelling of 63977796 in words is "sixty-three million, nine hundred seventy-seven thousand, seven hundred ninety-six".