80840485 has 16 divisors (see below), whose sum is σ = 106002432. Its totient is φ = 58696000.

The previous prime is 80840483. The next prime is 80840489. The reversal of 80840485 is 58404808.

It is not a de Polignac number, because 80840485 - 2¹ = 80840483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80840483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62667 + ... + 63943.

It is an arithmetic number, because the mean of its divisors is an integer number (6625152).

Almost surely, 2^80840485 is an apocalyptic number.

It is an amenable number.

80840485 is a deficient number, since it is larger than the sum of its proper divisors (25161947).

80840485 is a wasteful number, since it uses less digits than its factorization.

80840485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 80840485 is about 8991.1336882509. The cubic root of 80840485 is about 432.3906592075.

The spelling of 80840485 in words is "eighty million, eight hundred forty thousand, four hundred eighty-five".