80785913427 has 6 divisors (see below), whose sum is σ = 116690763852. Its totient is φ = 53857275612.

The previous prime is 80785913423. The next prime is 80785913443. The reversal of 80785913427 is 72431958708.

It is a happy number.

80785913427 is a `hidden beast` number, since 8 + 0 + 7 + 8 + 591 + 3 + 42 + 7 = 666.

It is not a de Polignac number, because 80785913427 - 2² = 80785913423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80785913423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4488106293 + ... + 4488106310.

It is an arithmetic number, because the mean of its divisors is an integer number (19448460642).

Almost surely, 2^80785913427 is an apocalyptic number.

80785913427 is a deficient number, since it is larger than the sum of its proper divisors (35904850425).

80785913427 is a wasteful number, since it uses less digits than its factorization.

80785913427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976212609 (or 8976212606 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 80785913427 in words is "eighty billion, seven hundred eighty-five million, nine hundred thirteen thousand, four hundred twenty-seven".