80867672 has 8 divisors (see below), whose sum is σ = 151626900. Its totient is φ = 40433832.

The previous prime is 80867663. The next prime is 80867687. The reversal of 80867672 is 27676808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054222 + ... + 5054237.

Almost surely, 2^80867672 is an apocalyptic number.

It is an amenable number.

80867672 is a deficient number, since it is larger than the sum of its proper divisors (70759228).

80867672 is a wasteful number, since it uses less digits than its factorization.

80867672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108465 (or 10108461 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 80867672 is about 8992.6454394689. The cubic root of 80867672 is about 432.4391253826.

The spelling of 80867672 in words is "eighty million, eight hundred sixty-seven thousand, six hundred seventy-two".