80299785 has 16 divisors (see below), whose sum is σ = 134066304. Its totient is φ = 40964352.

The previous prime is 80299783. The next prime is 80299799. The reversal of 80299785 is 58799208.

It is a happy number.

It is not a de Polignac number, because 80299785 - 2¹ = 80299783 is a prime.

It is a super-3 number, since 3×80299785³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80299783) by changing a digit.

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, 116032 + ... + 116721.

It is an arithmetic number, because the mean of its divisors is an integer number (8379144).

Almost surely, 2^80299785 is an apocalyptic number.

It is an amenable number.

80299785 is a deficient number, since it is larger than the sum of its proper divisors (53766519).

80299785 is a wasteful number, since it uses less digits than its factorization.

80299785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232784.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 80299785 is about 8961.0147304867. The cubic root of 80299785 is about 431.4244897759.

The spelling of 80299785 in words is "eighty million, two hundred ninety-nine thousand, seven hundred eighty-five".