2867685436225 has 24 divisors (see below), whose sum is σ = 3642934837248. Its totient is φ = 2238024604800.

The previous prime is 2867685436153. The next prime is 2867685436229. The reversal of 2867685436225 is 5226345867682.

It is not a de Polignac number, because 2867685436225 - 2¹⁷ = 2867685305153 is a prime.

It is a super-2 number, since 2×2867685436225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2867685436229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14463712 + ... + 14660638.

It is an arithmetic number, because the mean of its divisors is an integer number (151788951552).

Almost surely, 2^{2867685436225} is an apocalyptic number.

2867685436225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2867685436225 is a deficient number, since it is larger than the sum of its proper divisors (775249401023).

2867685436225 is a wasteful number, since it uses less digits than its factorization.

2867685436225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211185 (or 211180 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 64.

The spelling of 2867685436225 in words is "two trillion, eight hundred sixty-seven billion, six hundred eighty-five million, four hundred thirty-six thousand, two hundred twenty-five".