80428534 has 8 divisors (see below), whose sum is σ = 120817008. Its totient is φ = 40156200.

The previous prime is 80428531. The next prime is 80428559. The reversal of 80428534 is 43582408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80428534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80428531) 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 in 3 ways as a sum of consecutive naturals, for example, 27282 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (15102126).

Almost surely, 2^80428534 is an apocalyptic number.

80428534 is a deficient number, since it is larger than the sum of its proper divisors (40388474).

80428534 is a wasteful number, since it uses less digits than its factorization.

80428534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58070.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 80428534 is about 8968.1956936722. The cubic root of 80428534 is about 431.6549420812.

The spelling of 80428534 in words is "eighty million, four hundred twenty-eight thousand, five hundred thirty-four".