80992286 has 4 divisors (see below), whose sum is σ = 121488432. Its totient is φ = 40496142.

The previous prime is 80992283. The next prime is 80992291. The reversal of 80992286 is 68229908.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80992283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20248070 + ... + 20248073.

It is an arithmetic number, because the mean of its divisors is an integer number (30372108).

Almost surely, 2^80992286 is an apocalyptic number.

80992286 is a deficient number, since it is larger than the sum of its proper divisors (40496146).

80992286 is a wasteful number, since it uses less digits than its factorization.

80992286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40496145.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 80992286 is about 8999.5714342406. The cubic root of 80992286 is about 432.6611354547.

The spelling of 80992286 in words is "eighty million, nine hundred ninety-two thousand, two hundred eighty-six".