865348151316478 has 16 divisors (see below), whose sum is σ = 1328606138888064. Its totient is φ = 422593344916120.

The previous prime is 865348151316427. The next prime is 865348151316499. The reversal of 865348151316478 is 874613151843568.

It is a super-2 number, since 2×865348151316478² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28476625300 + ... + 28476655687.

It is an arithmetic number, because the mean of its divisors is an integer number (83037883680504).

Almost surely, 2^{865348151316478} is an apocalyptic number.

865348151316478 is a deficient number, since it is larger than the sum of its proper divisors (463257987571586).

865348151316478 is a wasteful number, since it uses less digits than its factorization.

865348151316478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56953281167.

The product of its digits is 464486400, while the sum is 70.

The spelling of 865348151316478 in words is "eight hundred sixty-five trillion, three hundred forty-eight billion, one hundred fifty-one million, three hundred sixteen thousand, four hundred seventy-eight".