65852705578 has 16 divisors (see below), whose sum is σ = 108712596096. Its totient is φ = 29668152640.

The previous prime is 65852705573. The next prime is 65852705603. The reversal of 65852705578 is 87550725856.

It is not an unprimeable number, because it can be changed into a prime (65852705573) 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, 13242226 + ... + 13247197.

It is an arithmetic number, because the mean of its divisors is an integer number (6794537256).

Almost surely, 2^65852705578 is an apocalyptic number.

65852705578 is a deficient number, since it is larger than the sum of its proper divisors (42859890518).

65852705578 is a wasteful number, since it uses less digits than its factorization.

65852705578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26489549.

The product of its (nonzero) digits is 23520000, while the sum is 58.

The spelling of 65852705578 in words is "sixty-five billion, eight hundred fifty-two million, seven hundred five thousand, five hundred seventy-eight".