80390670 has 32 divisors (see below), whose sum is σ = 193186080. Its totient is φ = 21409920.

The previous prime is 80390669. The next prime is 80390683. The reversal of 80390670 is 7609308.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34296 + ... + 36564.

It is an arithmetic number, because the mean of its divisors is an integer number (6037065).

Almost surely, 2^80390670 is an apocalyptic number.

80390670 is an abundant number, since it is smaller than the sum of its proper divisors (112795410).

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

80390670 is a wasteful number, since it uses less digits than its factorization.

80390670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 80390670 is about 8966.0844296716. The cubic root of 80390670 is about 431.5871935372.

Adding to 80390670 its reverse (7609308), we get a palindrome (87999978).

The spelling of 80390670 in words is "eighty million, three hundred ninety thousand, six hundred seventy".