80659953 has 12 divisors (see below), whose sum is σ = 127100688. Its totient is φ = 48884760.

The previous prime is 80659949. The next prime is 80659961. The reversal of 80659953 is 35995608.

80659953 is a `hidden beast` number, since 8 + 0 + 6 + 599 + 53 = 666.

It is not a de Polignac number, because 80659953 - 2² = 80659949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80659899 and 80659908.

It is not an unprimeable number, because it can be changed into a prime (80659973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407275 + ... + 407472.

It is an arithmetic number, because the mean of its divisors is an integer number (10591724).

Almost surely, 2^80659953 is an apocalyptic number.

It is an amenable number.

80659953 is a deficient number, since it is larger than the sum of its proper divisors (46440735).

80659953 is a wasteful number, since it uses less digits than its factorization.

80659953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814764 (or 814761 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 80659953 is about 8981.0886311182. The cubic root of 80659953 is about 432.0685494358.

The spelling of 80659953 in words is "eighty million, six hundred fifty-nine thousand, nine hundred fifty-three".