80700806 has 4 divisors (see below), whose sum is σ = 121051212. Its totient is φ = 40350402.

The previous prime is 80700797. The next prime is 80700857. The reversal of 80700806 is 60800708.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175200 + ... + 20175203.

It is an arithmetic number, because the mean of its divisors is an integer number (30262803).

Almost surely, 2^80700806 is an apocalyptic number.

80700806 is a deficient number, since it is larger than the sum of its proper divisors (40350406).

80700806 is a wasteful number, since it uses less digits than its factorization.

80700806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40350405.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80700806 is about 8983.3627334089. The cubic root of 80700806 is about 432.1414824367.

The spelling of 80700806 in words is "eighty million, seven hundred thousand, eight hundred six".