80993002 has 4 divisors (see below), whose sum is σ = 121489506. Its totient is φ = 40496500.

The previous prime is 80992997. The next prime is 80993009. The reversal of 80993002 is 20039908.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 70241161 + 10751841 = 8381^2 + 3279^2 .

It is a Smith number, since the sum of its digits (31) 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 (80993009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20248249 + ... + 20248252.

Almost surely, 2^80993002 is an apocalyptic number.

80993002 is a deficient number, since it is larger than the sum of its proper divisors (40496504).

80993002 is a wasteful number, since it uses less digits than its factorization.

80993002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40496503.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 80993002 is about 8999.6112138247. The cubic root of 80993002 is about 432.6624104093.

The spelling of 80993002 in words is "eighty million, nine hundred ninety-three thousand, two".