80206886531 has 4 divisors (see below), whose sum is σ = 80210722752. Its totient is φ = 80203050312.

The previous prime is 80206886521. The next prime is 80206886549. The reversal of 80206886531 is 13568860208.

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 80206886531 - 2⁶ = 80206886467 is a prime.

It is a super-2 number, since 2×80206886531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80206886521) 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, 1886576 + ... + 1928621.

It is an arithmetic number, because the mean of its divisors is an integer number (20052680688).

Almost surely, 2^80206886531 is an apocalyptic number.

80206886531 is a deficient number, since it is larger than the sum of its proper divisors (3836221).

80206886531 is a wasteful number, since it uses less digits than its factorization.

80206886531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836220.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 80206886531 in words is "eighty billion, two hundred six million, eight hundred eighty-six thousand, five hundred thirty-one".