80294177805 has 32 divisors (see below), whose sum is σ = 129912951168. Its totient is φ = 42345139200.

The previous prime is 80294177801. The next prime is 80294177833. The reversal of 80294177805 is 50877149208.

It is not a de Polignac number, because 80294177805 - 2² = 80294177801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80294177801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479457 + ... + 624873.

It is an arithmetic number, because the mean of its divisors is an integer number (4059779724).

Almost surely, 2^80294177805 is an apocalyptic number.

It is an amenable number.

80294177805 is a deficient number, since it is larger than the sum of its proper divisors (49618773363).

80294177805 is a wasteful number, since it uses less digits than its factorization.

80294177805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145837.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 80294177805 in words is "eighty billion, two hundred ninety-four million, one hundred seventy-seven thousand, eight hundred five".