80396451 has 12 divisors (see below), whose sum is σ = 122959512. Its totient is φ = 50444736.

The previous prime is 80396447. The next prime is 80396471. The reversal of 80396451 is 15469308.

80396451 is a `hidden beast` number, since 8 + 0 + 3 + 9 + 645 + 1 = 666.

It is not a de Polignac number, because 80396451 - 2² = 80396447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80396411) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 262581 + ... + 262886.

It is an arithmetic number, because the mean of its divisors is an integer number (10246626).

Almost surely, 2^80396451 is an apocalyptic number.

80396451 is a deficient number, since it is larger than the sum of its proper divisors (42563061).

80396451 is a wasteful number, since it uses less digits than its factorization.

80396451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525490 (or 525487 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 80396451 is about 8966.4068054043. The cubic root of 80396451 is about 431.5975386256.

The spelling of 80396451 in words is "eighty million, three hundred ninety-six thousand, four hundred fifty-one".