80396156 has 6 divisors (see below), whose sum is σ = 140693280. Its totient is φ = 40198076.

The previous prime is 80396119. The next prime is 80396159. The reversal of 80396156 is 65169308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80396159) by changing a digit.

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 as a sum of consecutive naturals, namely, 10049516 + ... + 10049523.

It is an arithmetic number, because the mean of its divisors is an integer number (23448880).

Almost surely, 2^80396156 is an apocalyptic number.

It is an amenable number.

80396156 is a deficient number, since it is larger than the sum of its proper divisors (60297124).

80396156 is a wasteful number, since it uses less digits than its factorization.

80396156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099043 (or 20099041 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 80396156 is about 8966.3903550983. The cubic root of 80396156 is about 431.5970107357.

The spelling of 80396156 in words is "eighty million, three hundred ninety-six thousand, one hundred fifty-six".