80859933 has 24 divisors (see below), whose sum is σ = 145619136. Its totient is φ = 42004800.

The previous prime is 80859931. The next prime is 80859937. The reversal of 80859933 is 33995808.

It is not a de Polignac number, because 80859933 - 2¹ = 80859931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57648 + ... + 59033.

It is an arithmetic number, because the mean of its divisors is an integer number (6067464).

Almost surely, 2^80859933 is an apocalyptic number.

It is an amenable number.

80859933 is a deficient number, since it is larger than the sum of its proper divisors (64759203).

80859933 is a wasteful number, since it uses less digits than its factorization.

80859933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116705 (or 116702 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 80859933 is about 8992.2151331026. The cubic root of 80859933 is about 432.4253301990.

The spelling of 80859933 in words is "eighty million, eight hundred fifty-nine thousand, nine hundred thirty-three".