80000001 has 8 divisors (see below), whose sum is σ = 118518560. Its totient is φ = 53333316.

The previous prime is 79999987. The next prime is 80000023. The reversal of 80000001 is 10000008.

It is not a de Polignac number, because 80000001 - 2¹⁸ = 79737857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80000201) 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, 1481455 + ... + 1481508.

It is an arithmetic number, because the mean of its divisors is an integer number (14814820).

Almost surely, 2^80000001 is an apocalyptic number.

It is an amenable number.

80000001 is a deficient number, since it is larger than the sum of its proper divisors (38518559).

80000001 is a wasteful number, since it uses less digits than its factorization.

80000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962972 (or 2962966 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 80000001 is about 8944.2719659009. The cubic root of 80000001 is about 430.8869398017.

Adding to 80000001 its reverse (10000008), we get a palindrome (90000009).

The spelling of 80000001 in words is "eighty million, one", and thus it is an aban number and an uban number.