80842207 has 4 divisors (see below), whose sum is σ = 85097080. Its totient is φ = 76587336.

The previous prime is 80842199. The next prime is 80842243. The reversal of 80842207 is 70224808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80842207 - 2³ = 80842199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80842247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127408 + ... + 2127445.

It is an arithmetic number, because the mean of its divisors is an integer number (21274270).

Almost surely, 2^80842207 is an apocalyptic number.

80842207 is a deficient number, since it is larger than the sum of its proper divisors (4254873).

80842207 is a wasteful number, since it uses less digits than its factorization.

80842207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254872.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 80842207 is about 8991.2294487462. The cubic root of 80842207 is about 432.3937293335.

The spelling of 80842207 in words is "eighty million, eight hundred forty-two thousand, two hundred seven".