867396847145 has 8 divisors (see below), whose sum is σ = 1057939761480. Its totient is φ = 682541781120.

The previous prime is 867396847127. The next prime is 867396847159. The reversal of 867396847145 is 541748693768.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 108602543401 + 758794303744 = 329549^2 + 871088^2 .

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

It is not a de Polignac number, because 867396847145 - 2¹⁴ = 867396830761 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421961740 + ... + 1421962349.

It is an arithmetic number, because the mean of its divisors is an integer number (132242470185).

Almost surely, 2^867396847145 is an apocalyptic number.

It is an amenable number.

867396847145 is a deficient number, since it is larger than the sum of its proper divisors (190542914335).

867396847145 is a wasteful number, since it uses less digits than its factorization.

867396847145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843924155.

The product of its digits is 243855360, while the sum is 68.

The spelling of 867396847145 in words is "eight hundred sixty-seven billion, three hundred ninety-six million, eight hundred forty-seven thousand, one hundred forty-five".