8536477865 has 8 divisors (see below), whose sum is σ = 10245604488. Its totient is φ = 6827961600.

The previous prime is 8536477861. The next prime is 8536477877. The reversal of 8536477865 is 5687746358.

It can be written as a sum of positive squares in 4 ways, for example, as 4244131609 + 4292346256 = 65147^2 + 65516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8536477865 - 2² = 8536477861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8536477861) 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, 121232 + ... + 178241.

It is an arithmetic number, because the mean of its divisors is an integer number (1280700561).

Almost surely, 2^8536477865 is an apocalyptic number.

It is an amenable number.

8536477865 is a deficient number, since it is larger than the sum of its proper divisors (1709126623).

8536477865 is a wasteful number, since it uses less digits than its factorization.

8536477865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305179.

The product of its digits is 33868800, while the sum is 59.

The square root of 8536477865 is about 92393.0617795514. The cubic root of 8536477865 is about 2043.7427976690.

The spelling of 8536477865 in words is "eight billion, five hundred thirty-six million, four hundred seventy-seven thousand, eight hundred sixty-five".