65576873869 has 16 divisors (see below), whose sum is σ = 72029843200. Its totient is φ = 59336162496.

The previous prime is 65576873861. The next prime is 65576873903. The reversal of 65576873869 is 96837867556.

It is not a de Polignac number, because 65576873869 - 2³ = 65576873861 is a prime.

It is a super-2 number, since 2×65576873869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65576873798 and 65576873807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65576873861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86934 + ... + 372439.

It is an arithmetic number, because the mean of its divisors is an integer number (4501865200).

Almost surely, 2^65576873869 is an apocalyptic number.

It is an amenable number.

65576873869 is a deficient number, since it is larger than the sum of its proper divisors (6452969331).

65576873869 is a wasteful number, since it uses less digits than its factorization.

65576873869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459604.

The product of its digits is 457228800, while the sum is 70.

The spelling of 65576873869 in words is "sixty-five billion, five hundred seventy-six million, eight hundred seventy-three thousand, eight hundred sixty-nine".