867423680 has 28 divisors (see below), whose sum is σ = 2065553400. Its totient is φ = 346969344.

The previous prime is 867423673. The next prime is 867423719. The reversal of 867423680 is 86324768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355030 + ... + 1355669.

Almost surely, 2^867423680 is an apocalyptic number.

867423680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

867423680 is an abundant number, since it is smaller than the sum of its proper divisors (1198129720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867423680 is a wasteful number, since it uses less digits than its factorization.

867423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710716 (or 2710706 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 867423680 is about 29452.0573135392. The cubic root of 867423680 is about 953.6970178532.

The spelling of 867423680 in words is "eight hundred sixty-seven million, four hundred twenty-three thousand, six hundred eighty".