80002857 has 8 divisors (see below), whose sum is σ = 116367840. Its totient is φ = 48486560.

The previous prime is 80002841. The next prime is 80002859. The reversal of 80002857 is 75820008.

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 80002857 - 2⁴ = 80002841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80002859) 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, 1212132 + ... + 1212197.

It is an arithmetic number, because the mean of its divisors is an integer number (14545980).

Almost surely, 2^80002857 is an apocalyptic number.

It is an amenable number.

80002857 is a deficient number, since it is larger than the sum of its proper divisors (36364983).

80002857 is a wasteful number, since it uses less digits than its factorization.

80002857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424343.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 80002857 is about 8944.4316197286. The cubic root of 80002857 is about 430.8920672952.

The spelling of 80002857 in words is "eighty million, two thousand, eight hundred fifty-seven".