80361029 has 6 divisors (see below), whose sum is σ = 93481254. Its totient is φ = 68880840.

The previous prime is 80361019. The next prime is 80361031. The reversal of 80361029 is 92016308.

It can be written as a sum of positive squares in only one way, i.e., 51984100 + 28376929 = 7210^2 + 5327^2 .

It is not a de Polignac number, because 80361029 - 2¹⁶ = 80295493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80360992 and 80361010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80361019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 819962 + ... + 820059.

It is an arithmetic number, because the mean of its divisors is an integer number (15580209).

Almost surely, 2^80361029 is an apocalyptic number.

It is an amenable number.

80361029 is a deficient number, since it is larger than the sum of its proper divisors (13120225).

80361029 is a wasteful number, since it uses less digits than its factorization.

80361029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640035 (or 1640028 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 80361029 is about 8964.4313260798. The cubic root of 80361029 is about 431.5341432326.

The spelling of 80361029 in words is "eighty million, three hundred sixty-one thousand, twenty-nine".