80188029 has 8 divisors (see below), whose sum is σ = 118797120. Its totient is φ = 53458668.

The previous prime is 80188027. The next prime is 80188033. The reversal of 80188029 is 92088108.

It is not a de Polignac number, because 80188029 - 2¹ = 80188027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80187984 and 80188002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80188027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484937 + ... + 1484990.

It is an arithmetic number, because the mean of its divisors is an integer number (14849640).

Almost surely, 2^80188029 is an apocalyptic number.

It is an amenable number.

80188029 is a deficient number, since it is larger than the sum of its proper divisors (38609091).

80188029 is a wasteful number, since it uses less digits than its factorization.

80188029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969936 (or 2969930 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 80188029 is about 8954.7768816426. The cubic root of 80188029 is about 431.2242540395.

The spelling of 80188029 in words is "eighty million, one hundred eighty-eight thousand, twenty-nine".