80992010 has 32 divisors (see below), whose sum is σ = 159432192. Its totient is φ = 29378880.

The previous prime is 80991997. The next prime is 80992013. The reversal of 80992010 is 1029908.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (80992013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66164 + ... + 67376.

It is an arithmetic number, because the mean of its divisors is an integer number (4982256).

Almost surely, 2^80992010 is an apocalyptic number.

80992010 is a deficient number, since it is larger than the sum of its proper divisors (78440182).

80992010 is a wasteful number, since it uses less digits than its factorization.

80992010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 80992010 is about 8999.5561001641. The cubic root of 80992010 is about 432.6606439898.

The spelling of 80992010 in words is "eighty million, nine hundred ninety-two thousand, ten".