80505426 has 8 divisors (see below), whose sum is σ = 161010864. Its totient is φ = 26835140.

The previous prime is 80505401. The next prime is 80505431. The reversal of 80505426 is 62450508.

It is a sphenic number, since it is the product of 3 distinct primes.

80505426 is an admirable number.

It is a super-2 number, since 2×80505426² = 12962247230882952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80505393 and 80505402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6708780 + ... + 6708791.

It is an arithmetic number, because the mean of its divisors is an integer number (20126358).

Almost surely, 2^80505426 is an apocalyptic number.

80505426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80505426 is a wasteful number, since it uses less digits than its factorization.

80505426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13417576.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 80505426 is about 8972.4815965261. The cubic root of 80505426 is about 431.7924564626.

The spelling of 80505426 in words is "eighty million, five hundred five thousand, four hundred twenty-six".