8077985 has 16 divisors (see below), whose sum is σ = 9979200. Its totient is φ = 6275136.

The previous prime is 8077973. The next prime is 8078003. The reversal of 8077985 is 5897708.

It is a cyclic number.

It is not a de Polignac number, because 8077985 - 2⁴ = 8077969 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 40907 + ... + 41103.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^8077985 is an apocalyptic number.

It is an amenable number.

8077985 is a deficient number, since it is larger than the sum of its proper divisors (1901215).

8077985 is a wasteful number, since it uses less digits than its factorization.

8077985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 8077985 is about 2842.1796213470. The cubic root of 8077985 is about 200.6477746747.

The spelling of 8077985 in words is "eight million, seventy-seven thousand, nine hundred eighty-five".