80919202 has 32 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 31710528.

The previous prime is 80919191. The next prime is 80919203. The reversal of 80919202 is 20291908.

It is not an unprimeable number, because it can be changed into a prime (80919203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17799 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (4712400).

Almost surely, 2^80919202 is an apocalyptic number.

80919202 is a deficient number, since it is larger than the sum of its proper divisors (69877598).

80919202 is a wasteful number, since it uses less digits than its factorization.

80919202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 80919202 is about 8995.5101022677. The cubic root of 80919202 is about 432.5309579453.

The spelling of 80919202 in words is "eighty million, nine hundred nineteen thousand, two hundred two".