80100805 has 8 divisors (see below), whose sum is σ = 96878592. Its totient is φ = 63575568.

The previous prime is 80100803. The next prime is 80100829. The reversal of 80100805 is 50800108.

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

It is a cyclic number.

It is not a de Polignac number, because 80100805 - 2¹ = 80100803 is a prime.

It is a super-2 number, since 2×80100805² = 12832277923296050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80100803) 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, 62437 + ... + 63706.

It is an arithmetic number, because the mean of its divisors is an integer number (12109824).

Almost surely, 2^80100805 is an apocalyptic number.

It is an amenable number.

80100805 is a deficient number, since it is larger than the sum of its proper divisors (16777787).

80100805 is a wasteful number, since it uses less digits than its factorization.

80100805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126275.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 80100805 is about 8949.9053067616. The cubic root of 80100805 is about 431.0678435343.

The spelling of 80100805 in words is "eighty million, one hundred thousand, eight hundred five".