65078275845 has 16 divisors (see below), whose sum is σ = 113591172672. Its totient is φ = 31553103360.

The previous prime is 65078275831. The next prime is 65078275897. The reversal of 65078275845 is 54857287056.

It is not a de Polignac number, because 65078275845 - 2⁵ = 65078275813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197206732 + ... + 197207061.

It is an arithmetic number, because the mean of its divisors is an integer number (7099448292).

Almost surely, 2^65078275845 is an apocalyptic number.

It is an amenable number.

65078275845 is a deficient number, since it is larger than the sum of its proper divisors (48512896827).

65078275845 is a wasteful number, since it uses less digits than its factorization.

65078275845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394413812.

The product of its (nonzero) digits is 18816000, while the sum is 57.

It can be divided in two parts, 650782 and 75845, that added together give a palindrome (726627).

The spelling of 65078275845 in words is "sixty-five billion, seventy-eight million, two hundred seventy-five thousand, eight hundred forty-five".