80356412 has 6 divisors (see below), whose sum is σ = 140623728. Its totient is φ = 40178204.

The previous prime is 80356363. The next prime is 80356439. The reversal of 80356412 is 21465308.

80356412 is nontrivially palindromic in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044548 + ... + 10044555.

It is an arithmetic number, because the mean of its divisors is an integer number (23437288).

Almost surely, 2^80356412 is an apocalyptic number.

It is an amenable number.

80356412 is a deficient number, since it is larger than the sum of its proper divisors (60267316).

80356412 is a wasteful number, since it uses less digits than its factorization.

80356412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089107 (or 20089105 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 80356412 is about 8964.1738046515. The cubic root of 80356412 is about 431.5258787321.

The spelling of 80356412 in words is "eighty million, three hundred fifty-six thousand, four hundred twelve".