80433857 has 8 divisors (see below), whose sum is σ = 92029632. Its totient is φ = 68864400.

The previous prime is 80433853. The next prime is 80433863. The reversal of 80433857 is 75833408.

It is a happy number.

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 80433857 - 2² = 80433853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80433857.

It is not an unprimeable number, because it can be changed into a prime (80433853) 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, 482 + ... + 12692.

It is an arithmetic number, because the mean of its divisors is an integer number (11503704).

Almost surely, 2^80433857 is an apocalyptic number.

It is an amenable number.

80433857 is a deficient number, since it is larger than the sum of its proper divisors (11595775).

80433857 is a wasteful number, since it uses less digits than its factorization.

80433857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13159.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 80433857 is about 8968.4924597170. The cubic root of 80433857 is about 431.6644646078.

The spelling of 80433857 in words is "eighty million, four hundred thirty-three thousand, eight hundred fifty-seven".