80999346 has 8 divisors (see below), whose sum is σ = 161998704. Its totient is φ = 26999780.

The previous prime is 80999333. The next prime is 80999351. The reversal of 80999346 is 64399908.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

80999346 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 80999295 and 80999304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6749940 + ... + 6749951.

It is an arithmetic number, because the mean of its divisors is an integer number (20249838).

Almost surely, 2^80999346 is an apocalyptic number.

80999346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80999346 is a wasteful number, since it uses less digits than its factorization.

80999346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499896.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 80999346 is about 8999.9636665933. The cubic root of 80999346 is about 432.6737066061.

The spelling of 80999346 in words is "eighty million, nine hundred ninety-nine thousand, three hundred forty-six".