65728735846 has 4 divisors (see below), whose sum is σ = 98593103772. Its totient is φ = 32864367922.

The previous prime is 65728735841. The next prime is 65728735861. The reversal of 65728735846 is 64853782756.

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 (65728735841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16432183960 + ... + 16432183963.

It is an arithmetic number, because the mean of its divisors is an integer number (24648275943).

Almost surely, 2^65728735846 is an apocalyptic number.

65728735846 is a deficient number, since it is larger than the sum of its proper divisors (32864367926).

65728735846 is a wasteful number, since it uses less digits than its factorization.

65728735846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32864367925.

The product of its digits is 67737600, while the sum is 61.

The spelling of 65728735846 in words is "sixty-five billion, seven hundred twenty-eight million, seven hundred thirty-five thousand, eight hundred forty-six".