80000888785 has 16 divisors (see below), whose sum is σ = 96478486992. Its totient is φ = 63682969600.

The previous prime is 80000888731. The next prime is 80000888809. The reversal of 80000888785 is 58788800008.

It can be written as a sum of positive squares in 8 ways, for example, as 26655133696 + 53345755089 = 163264^2 + 230967^2 .

It is not a de Polignac number, because 80000888785 - 2¹⁵ = 80000856017 is a prime.

It is a Duffinian 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, 1176105 + ... + 1242265.

It is an arithmetic number, because the mean of its divisors is an integer number (6029905437).

Almost surely, 2^80000888785 is an apocalyptic number.

It is an amenable number.

80000888785 is a deficient number, since it is larger than the sum of its proper divisors (16477598207).

80000888785 is a wasteful number, since it uses less digits than its factorization.

80000888785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67364.

The product of its (nonzero) digits is 1146880, while the sum is 52.

The spelling of 80000888785 in words is "eighty billion, eight hundred eighty-eight thousand, seven hundred eighty-five".