80859669 has 8 divisors (see below), whose sum is σ = 117614112. Its totient is φ = 49005840.

The previous prime is 80859661. The next prime is 80859673. The reversal of 80859669 is 96695808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80859669 - 2³ = 80859661 is a prime.

It is a super-2 number, since 2×80859669² = 13076572141579122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225114 + ... + 1225179.

It is an arithmetic number, because the mean of its divisors is an integer number (14701764).

Almost surely, 2^80859669 is an apocalyptic number.

It is an amenable number.

80859669 is a deficient number, since it is larger than the sum of its proper divisors (36754443).

80859669 is a wasteful number, since it uses less digits than its factorization.

80859669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450307.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 80859669 is about 8992.2004537266. The cubic root of 80859669 is about 432.4248595893.

The spelling of 80859669 in words is "eighty million, eight hundred fifty-nine thousand, six hundred sixty-nine".