65868854 has 4 divisors (see below), whose sum is σ = 98803284. Its totient is φ = 32934426.

The previous prime is 65868853. The next prime is 65868871. The reversal of 65868854 is 45886856.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65868851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16467212 + ... + 16467215.

It is an arithmetic number, because the mean of its divisors is an integer number (24700821).

Almost surely, 2^65868854 is an apocalyptic number.

65868854 is a deficient number, since it is larger than the sum of its proper divisors (32934430).

65868854 is a wasteful number, since it uses less digits than its factorization.

65868854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32934429.

The product of its digits is 1843200, while the sum is 50.

The square root of 65868854 is about 8115.9629126802. The cubic root of 65868854 is about 403.8561516106.

The spelling of 65868854 in words is "sixty-five million, eight hundred sixty-eight thousand, eight hundred fifty-four".