80780278335 has 16 divisors (see below), whose sum is σ = 131687096544. Its totient is φ = 42269931392.

The previous prime is 80780278307. The next prime is 80780278367. The reversal of 80780278335 is 53387208708.

It is a cyclic number.

It is not a de Polignac number, because 80780278335 - 2¹³ = 80780270143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50804412 + ... + 50806001.

It is an arithmetic number, because the mean of its divisors is an integer number (8230443534).

Almost surely, 2^80780278335 is an apocalyptic number.

80780278335 is a deficient number, since it is larger than the sum of its proper divisors (50906818209).

80780278335 is a wasteful number, since it uses less digits than its factorization.

80780278335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101610474.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 80780278335 in words is "eighty billion, seven hundred eighty million, two hundred seventy-eight thousand, three hundred thirty-five".