80828534 has 8 divisors (see below), whose sum is σ = 122777760. Its totient is φ = 39902616.

The previous prime is 80828533. The next prime is 80828567. The reversal of 80828534 is 43582808.

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

It is a super-3 number, since 3×80828534³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80828533) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 255629 + ... + 255944.

It is an arithmetic number, because the mean of its divisors is an integer number (15347220).

Almost surely, 2^80828534 is an apocalyptic number.

80828534 is a deficient number, since it is larger than the sum of its proper divisors (41949226).

80828534 is a wasteful number, since it uses less digits than its factorization.

80828534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511654.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 80828534 is about 8990.4690645149. The cubic root of 80828534 is about 432.3693507611.

The spelling of 80828534 in words is "eighty million, eight hundred twenty-eight thousand, five hundred thirty-four".