80577808393436 has 24 divisors (see below), whose sum is σ = 145117231100016. Its totient is φ = 39120177761280.

The previous prime is 80577808393427. The next prime is 80577808393451. The reversal of 80577808393436 is 63439380877508.

It is a self number, because there is not a number n which added to its sum of digits gives 80577808393436.

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, 554351621 + ... + 554496956.

It is an arithmetic number, because the mean of its divisors is an integer number (6046551295834).

Almost surely, 2^{80577808393436} is an apocalyptic number.

It is an amenable number.

80577808393436 is a deficient number, since it is larger than the sum of its proper divisors (64539422706580).

80577808393436 is a wasteful number, since it uses less digits than its factorization.

80577808393436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108849109 (or 1108849107 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 71.

The spelling of 80577808393436 in words is "eighty trillion, five hundred seventy-seven billion, eight hundred eight million, three hundred ninety-three thousand, four hundred thirty-six".