867409005 has 16 divisors (see below), whose sum is σ = 1448196480. Its totient is φ = 442504128.

The previous prime is 867408989. The next prime is 867409007. The reversal of 867409005 is 500904768.

It is not a de Polignac number, because 867409005 - 2⁴ = 867408989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867409007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256770 + ... + 1257459.

It is an arithmetic number, because the mean of its divisors is an integer number (90512280).

Almost surely, 2^867409005 is an apocalyptic number.

It is an amenable number.

867409005 is a deficient number, since it is larger than the sum of its proper divisors (580787475).

867409005 is a wasteful number, since it uses less digits than its factorization.

867409005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514260.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 867409005 is about 29451.8081787859. The cubic root of 867409005 is about 953.6916396345.

The spelling of 867409005 in words is "eight hundred sixty-seven million, four hundred nine thousand, five".