80829333025 has 27 divisors (see below), whose sum is σ = 116606544051. Its totient is φ = 55419005040.

The previous prime is 80829333023. The next prime is 80829333043. The reversal of 80829333025 is 52033392808.

The square root of 80829333025 is 284305.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29098559889 + 51730773136 = 170583^2 + 227444^2 .

It is not a de Polignac number, because 80829333025 - 2¹ = 80829333023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80829333023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9946614 + ... + 9954736.

Almost surely, 2^80829333025 is an apocalyptic number.

80829333025 is the 284305-th square number.

80829333025 is the 142153-rd centered octagonal number.

It is an amenable number.

80829333025 is a deficient number, since it is larger than the sum of its proper divisors (35777211026).

80829333025 is an frugal number, since it uses more digits than its factorization.

80829333025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270 (or 8135 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 80829333025 in words is "eighty billion, eight hundred twenty-nine million, three hundred thirty-three thousand, twenty-five".