80867412 has 36 divisors (see below), whose sum is σ = 205654176. Its totient is φ = 26792400.

The previous prime is 80867411. The next prime is 80867417. The reversal of 80867412 is 21476808.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80867411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (5712616).

Almost surely, 2^80867412 is an apocalyptic number.

It is an amenable number.

80867412 is an abundant number, since it is smaller than the sum of its proper divisors (124786764).

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

80867412 is a wasteful number, since it uses less digits than its factorization.

80867412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628 (or 13623 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 80867412 is about 8992.6309831995. The cubic root of 80867412 is about 432.4386619329.

The spelling of 80867412 in words is "eighty million, eight hundred sixty-seven thousand, four hundred twelve".