80434377 has 20 divisors (see below), whose sum is σ = 120433236. Its totient is φ = 53498880.

The previous prime is 80434357. The next prime is 80434421. The reversal of 80434377 is 77343408.

It can be written as a sum of positive squares in 2 ways, for example, as 72948681 + 7485696 = 8541^2 + 2736^2 .

It is not a de Polignac number, because 80434377 - 2¹¹ = 80432329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80434357) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 45877 + ... + 47597.

Almost surely, 2^80434377 is an apocalyptic number.

It is an amenable number.

80434377 is a deficient number, since it is larger than the sum of its proper divisors (39998859).

80434377 is a wasteful number, since it uses less digits than its factorization.

80434377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 80434377 is about 8968.5214500496. The cubic root of 80434377 is about 431.6653948340.

The spelling of 80434377 in words is "eighty million, four hundred thirty-four thousand, three hundred seventy-seven".