80668790 has 8 divisors (see below), whose sum is σ = 145203840. Its totient is φ = 32267512.

The previous prime is 80668787. The next prime is 80668793. The reversal of 80668790 is 9786608.

It is an interprime number because it is at equal distance from previous prime (80668787) and next prime (80668793).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80668793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033430 + ... + 4033449.

It is an arithmetic number, because the mean of its divisors is an integer number (18150480).

Almost surely, 2^80668790 is an apocalyptic number.

80668790 is a deficient number, since it is larger than the sum of its proper divisors (64535050).

80668790 is a wasteful number, since it uses less digits than its factorization.

80668790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066886.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 80668790 is about 8981.5805958640. The cubic root of 80668790 is about 432.0843278166.

It can be divided in two parts, 806 and 68790, that added together give a palindrome (69596).

The spelling of 80668790 in words is "eighty million, six hundred sixty-eight thousand, seven hundred ninety".