80481770 has 32 divisors (see below), whose sum is σ = 150489360. Its totient is φ = 30965760.

The previous prime is 80481763. The next prime is 80481827. The reversal of 80481770 is 7718408.

It can be written as a sum of positive squares in 8 ways, for example, as 2283121 + 78198649 = 1511^2 + 8843^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80481770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28586 + ... + 31274.

Almost surely, 2^80481770 is an apocalyptic number.

80481770 is a deficient number, since it is larger than the sum of its proper divisors (70007590).

80481770 is a wasteful number, since it uses less digits than its factorization.

80481770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 80481770 is about 8971.1632467590. The cubic root of 80481770 is about 431.7501591769.

The spelling of 80481770 in words is "eighty million, four hundred eighty-one thousand, seven hundred seventy".