536786780865 has 16 divisors (see below), whose sum is σ = 904061947200. Its totient is φ = 271218583872.

The previous prime is 536786780863. The next prime is 536786780891. The reversal of 536786780865 is 568087687635.

It is not a de Polignac number, because 536786780865 - 2¹ = 536786780863 is a prime.

It is a super-2 number, since 2×536786780865² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 536786780865.

It is not an unprimeable number, because it can be changed into a prime (536786780863) 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, 941730910 + ... + 941731479.

It is an arithmetic number, because the mean of its divisors is an integer number (56503871700).

Almost surely, 2^536786780865 is an apocalyptic number.

It is an amenable number.

536786780865 is a deficient number, since it is larger than the sum of its proper divisors (367275166335).

536786780865 is a wasteful number, since it uses less digits than its factorization.

536786780865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883462416.

The product of its (nonzero) digits is 406425600, while the sum is 69.

The spelling of 536786780865 in words is "five hundred thirty-six billion, seven hundred eighty-six million, seven hundred eighty thousand, eight hundred sixty-five".