80106819 has 8 divisors (see below), whose sum is σ = 115025232. Its totient is φ = 49296480.

The previous prime is 80106811. The next prime is 80106833. The reversal of 80106819 is 91860108.

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

It is not a de Polignac number, because 80106819 - 2³ = 80106811 is a prime.

It is a super-2 number, since 2×80106819² = 12834204900597522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80106819.

It is not an unprimeable number, because it can be changed into a prime (80106811) 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, 1026972 + ... + 1027049.

It is an arithmetic number, because the mean of its divisors is an integer number (14378154).

Almost surely, 2^80106819 is an apocalyptic number.

80106819 is a deficient number, since it is larger than the sum of its proper divisors (34918413).

80106819 is a wasteful number, since it uses less digits than its factorization.

80106819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054037.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 80106819 is about 8950.2412816639. The cubic root of 80106819 is about 431.0786315122.

The spelling of 80106819 in words is "eighty million, one hundred six thousand, eight hundred nineteen".