80883738547 has 4 divisors (see below), whose sum is σ = 82209701536. Its totient is φ = 79557775560.

The previous prime is 80883738521. The next prime is 80883738569. The reversal of 80883738547 is 74583738808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80883738547 - 2¹¹ = 80883736499 is a prime.

It is a super-2 number, since 2×80883738547² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 1325962927 = 80883738547 / (8 + 0 + 8 + 8 + 3 + 7 + 3 + 8 + 5 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80883738347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662981403 + ... + 662981524.

It is an arithmetic number, because the mean of its divisors is an integer number (20552425384).

Almost surely, 2^80883738547 is an apocalyptic number.

80883738547 is a deficient number, since it is larger than the sum of its proper divisors (1325962989).

80883738547 is a wasteful number, since it uses less digits than its factorization.

80883738547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325962988.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 80883738547 in words is "eighty billion, eight hundred eighty-three million, seven hundred thirty-eight thousand, five hundred forty-seven".