80879829 has 12 divisors (see below), whose sum is σ = 114557664. Its totient is φ = 50747584.

The previous prime is 80879819. The next prime is 80879831. The reversal of 80879829 is 92897808.

It is a de Polignac number, because none of the positive numbers 2^k-80879829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80879819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45777 + ... + 47510.

It is an arithmetic number, because the mean of its divisors is an integer number (9546472).

Almost surely, 2^80879829 is an apocalyptic number.

It is an amenable number.

80879829 is a deficient number, since it is larger than the sum of its proper divisors (33677835).

80879829 is a wasteful number, since it uses less digits than its factorization.

80879829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93324 (or 93307 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 80879829 is about 8993.3213553170. The cubic root of 80879829 is about 432.4607941117.

The spelling of 80879829 in words is "eighty million, eight hundred seventy-nine thousand, eight hundred twenty-nine".