867178461 has 8 divisors (see below), whose sum is σ = 1172077120. Its totient is φ = 570199392.

The previous prime is 867178457. The next prime is 867178513. The reversal of 867178461 is 164871768.

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

It is not a de Polignac number, because 867178461 - 2² = 867178457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 867178461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867178441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979641 + ... + 1980078.

It is an arithmetic number, because the mean of its divisors is an integer number (146509640).

Almost surely, 2^867178461 is an apocalyptic number.

It is an amenable number.

867178461 is a deficient number, since it is larger than the sum of its proper divisors (304898659).

867178461 is a wasteful number, since it uses less digits than its factorization.

867178461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959795.

The product of its digits is 451584, while the sum is 48.

The square root of 867178461 is about 29447.8939994017. The cubic root of 867178461 is about 953.6071399479.

The spelling of 867178461 in words is "eight hundred sixty-seven million, one hundred seventy-eight thousand, four hundred sixty-one".