80840070 has 24 divisors (see below), whose sum is σ = 210184416. Its totient is φ = 21557328.

The previous prime is 80840051. The next prime is 80840107. The reversal of 80840070 is 7004808.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449022 + ... + 449201.

It is an arithmetic number, because the mean of its divisors is an integer number (8757684).

Almost surely, 2^80840070 is an apocalyptic number.

80840070 is an abundant number, since it is smaller than the sum of its proper divisors (129344346).

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

80840070 is a wasteful number, since it uses less digits than its factorization.

80840070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898236 (or 898233 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 80840070 is about 8991.1106099302. The cubic root of 80840070 is about 432.3899193042.

Adding to 80840070 its reverse (7004808), we get a palindrome (87844878).

The spelling of 80840070 in words is "eighty million, eight hundred forty thousand, seventy".