80775958 has 16 divisors (see below), whose sum is σ = 125349840. Its totient is φ = 39008736.

The previous prime is 80775953. The next prime is 80775967. The reversal of 80775958 is 85957708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80775953) 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 7 ways as a sum of consecutive naturals, for example, 6360 + ... + 14212.

It is an arithmetic number, because the mean of its divisors is an integer number (7834365).

Almost surely, 2^80775958 is an apocalyptic number.

80775958 is a deficient number, since it is larger than the sum of its proper divisors (44573882).

80775958 is a wasteful number, since it uses less digits than its factorization.

80775958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 80775958 is about 8987.5446035055. The cubic root of 80775958 is about 432.2755836202.

The spelling of 80775958 in words is "eighty million, seven hundred seventy-five thousand, nine hundred fifty-eight".