867420080 has 40 divisors (see below), whose sum is σ = 2063661072. Its totient is φ = 338897664.

The previous prime is 867420049. The next prime is 867420143. The reversal of 867420080 is 80024768.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 867420080.

It is an unprimeable number.

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, 122639 + ... + 129518.

Almost surely, 2^867420080 is an apocalyptic number.

867420080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

867420080 is an abundant number, since it is smaller than the sum of its proper divisors (1196240992).

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

867420080 is a wasteful number, since it uses less digits than its factorization.

867420080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252213 (or 252207 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 867420080 is about 29451.9961972020. The cubic root of 867420080 is about 953.6956985002.

The spelling of 867420080 in words is "eight hundred sixty-seven million, four hundred twenty thousand, eighty".