65117882 has 4 divisors (see below), whose sum is σ = 97676826. Its totient is φ = 32558940.

The previous prime is 65117879. The next prime is 65117909. The reversal of 65117882 is 28871156.

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., 62900761 + 2217121 = 7931^2 + 1489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16279469 + ... + 16279472.

Almost surely, 2^65117882 is an apocalyptic number.

65117882 is a deficient number, since it is larger than the sum of its proper divisors (32558944).

65117882 is a wasteful number, since it uses less digits than its factorization.

65117882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32558943.

The product of its digits is 26880, while the sum is 38.

The square root of 65117882 is about 8069.5651679629. The cubic root of 65117882 is about 402.3154912208.

The spelling of 65117882 in words is "sixty-five million, one hundred seventeen thousand, eight hundred eighty-two".