80668359 has 16 divisors (see below), whose sum is σ = 120426240. Its totient is φ = 53366040.

The previous prime is 80668351. The next prime is 80668363. The reversal of 80668359 is 95386608.

It is not a de Polignac number, because 80668359 - 2³ = 80668351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80668351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7867 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (7526640).

Almost surely, 2^80668359 is an apocalyptic number.

80668359 is a deficient number, since it is larger than the sum of its proper divisors (39757881).

80668359 is a wasteful number, since it uses less digits than its factorization.

80668359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947 (or 22941 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 80668359 is about 8981.5566022823. The cubic root of 80668359 is about 432.0835582968.

The spelling of 80668359 in words is "eighty million, six hundred sixty-eight thousand, three hundred fifty-nine".