869287886536 has 32 divisors (see below), whose sum is σ = 1650980880000. Its totient is φ = 429042630016.

The previous prime is 869287886531. The next prime is 869287886539. The reversal of 869287886536 is 635688782968.

869287886536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×869287886536² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869287886531) 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, 592636 + ... + 1445611.

It is an arithmetic number, because the mean of its divisors is an integer number (51593152500).

Almost surely, 2^869287886536 is an apocalyptic number.

It is an amenable number.

869287886536 is a deficient number, since it is larger than the sum of its proper divisors (781692993464).

869287886536 is a wasteful number, since it uses less digits than its factorization.

869287886536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038941 (or 2038937 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 76.

The spelling of 869287886536 in words is "eight hundred sixty-nine billion, two hundred eighty-seven million, eight hundred eighty-six thousand, five hundred thirty-six".