80802769785337 has 24 divisors (see below), whose sum is σ = 87583942784520. Its totient is φ = 74490927194880.

The previous prime is 80802769785329. The next prime is 80802769785371. The reversal of 80802769785337 is 73358796720808.

It can be written as a sum of positive squares in 4 ways, for example, as 363773034496 + 80438996750841 = 603136^2 + 8968779^2 .

It is not a de Polignac number, because 80802769785337 - 2³ = 80802769785329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80802769785337.

It is not an unprimeable number, because it can be changed into a prime (80802769785137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259478 + ... + 12774655.

It is an arithmetic number, because the mean of its divisors is an integer number (3649330949355).

Almost surely, 2^{80802769785337} is an apocalyptic number.

It is an amenable number.

80802769785337 is a deficient number, since it is larger than the sum of its proper divisors (6781172999183).

80802769785337 is a wasteful number, since it uses less digits than its factorization.

80802769785337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034601 (or 14034582 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 80802769785337 in words is "eighty trillion, eight hundred two billion, seven hundred sixty-nine million, seven hundred eighty-five thousand, three hundred thirty-seven".