80478039 has 8 divisors (see below), whose sum is σ = 109921392. Its totient is φ = 52343360.

The previous prime is 80478031. The next prime is 80478061. The reversal of 80478039 is 93087408.

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

It is a cyclic number.

It is not a de Polignac number, because 80478039 - 2³ = 80478031 is a prime.

It is a super-2 number, since 2×80478039² = 12953429522571042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80477988 and 80478006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80478031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327024 + ... + 327269.

It is an arithmetic number, because the mean of its divisors is an integer number (13740174).

Almost surely, 2^80478039 is an apocalyptic number.

80478039 is a deficient number, since it is larger than the sum of its proper divisors (29443353).

80478039 is a wasteful number, since it uses less digits than its factorization.

80478039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654337.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80478039 is about 8970.9553003011. The cubic root of 80478039 is about 431.7434873359.

The spelling of 80478039 in words is "eighty million, four hundred seventy-eight thousand, thirty-nine".