80993470 has 8 divisors (see below), whose sum is σ = 145788264. Its totient is φ = 32397384.

The previous prime is 80993461. The next prime is 80993503. The reversal of 80993470 is 7439908.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049664 + ... + 4049683.

It is an arithmetic number, because the mean of its divisors is an integer number (18223533).

Almost surely, 2^80993470 is an apocalyptic number.

80993470 is a deficient number, since it is larger than the sum of its proper divisors (64794794).

80993470 is a wasteful number, since it uses less digits than its factorization.

80993470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099354.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 80993470 is about 8999.6372149104. The cubic root of 80993470 is about 432.6632437554.

The spelling of 80993470 in words is "eighty million, nine hundred ninety-three thousand, four hundred seventy".