867388347 has 48 divisors (see below), whose sum is σ = 1511640000. Its totient is φ = 478509696.

The previous prime is 867388343. The next prime is 867388349. The reversal of 867388347 is 743883768.

It is not a de Polignac number, because 867388347 - 2² = 867388343 is a prime.

It is a super-2 number, since 2×867388347² = 1504725089022784818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 867388293 and 867388302.

It is not an unprimeable number, because it can be changed into a prime (867388343) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 84679 + ... + 94367.

It is an arithmetic number, because the mean of its divisors is an integer number (31492500).

Almost surely, 2^867388347 is an apocalyptic number.

867388347 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

867388347 is a deficient number, since it is larger than the sum of its proper divisors (644251653).

867388347 is a wasteful number, since it uses less digits than its factorization.

867388347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745 (or 9728 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 867388347 is about 29451.4574681797. The cubic root of 867388347 is about 953.6840686124.

It can be divided in two parts, 8673 and 88347, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 867388347 in words is "eight hundred sixty-seven million, three hundred eighty-eight thousand, three hundred forty-seven".