80938047421 has 32 divisors (see below), whose sum is σ = 106876108800. Its totient is φ = 59341766400.

The previous prime is 80938047419. The next prime is 80938047431. The reversal of 80938047421 is 12474083908.

It is not a de Polignac number, because 80938047421 - 2¹ = 80938047419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80938047431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6317380 + ... + 6330178.

It is an arithmetic number, because the mean of its divisors is an integer number (3339878400).

Almost surely, 2^80938047421 is an apocalyptic number.

It is an amenable number.

80938047421 is a deficient number, since it is larger than the sum of its proper divisors (25938061379).

80938047421 is a wasteful number, since it uses less digits than its factorization.

80938047421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17665.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 80938047421 in words is "eighty billion, nine hundred thirty-eight million, forty-seven thousand, four hundred twenty-one".