80770136 has 16 divisors (see below), whose sum is σ = 151755000. Its totient is φ = 40302144.

The previous prime is 80770103. The next prime is 80770139. The reversal of 80770136 is 63107708.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80770139) 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 3 ways as a sum of consecutive naturals, for example, 6125 + ... + 14108.

Almost surely, 2^80770136 is an apocalyptic number.

It is an amenable number.

80770136 is a deficient number, since it is larger than the sum of its proper divisors (70984864).

80770136 is a wasteful number, since it uses less digits than its factorization.

80770136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738 (or 20734 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 80770136 is about 8987.2207049788. The cubic root of 80770136 is about 432.2651978199.

The spelling of 80770136 in words is "eighty million, seven hundred seventy thousand, one hundred thirty-six".