80378535 has 8 divisors (see below), whose sum is σ = 128605680. Its totient is φ = 42868544.

The previous prime is 80378513. The next prime is 80378563. The reversal of 80378535 is 53587308.

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 80378535 - 2⁷ = 80378407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80378493 and 80378502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679270 + ... + 2679299.

It is an arithmetic number, because the mean of its divisors is an integer number (16075710).

Almost surely, 2^80378535 is an apocalyptic number.

80378535 is a deficient number, since it is larger than the sum of its proper divisors (48227145).

80378535 is a wasteful number, since it uses less digits than its factorization.

80378535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358577.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 80378535 is about 8965.4076873280. The cubic root of 80378535 is about 431.5654763647.

The spelling of 80378535 in words is "eighty million, three hundred seventy-eight thousand, five hundred thirty-five".