83056478405 has 32 divisors (see below), whose sum is σ = 107710414848. Its totient is φ = 61327604800.

The previous prime is 83056478369. The next prime is 83056478411. The reversal of 83056478405 is 50487465038.

It is not a de Polignac number, because 83056478405 - 2¹² = 83056474309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275540 + ... + 491970.

It is an arithmetic number, because the mean of its divisors is an integer number (3365950464).

Almost surely, 2^83056478405 is an apocalyptic number.

It is an amenable number.

83056478405 is a deficient number, since it is larger than the sum of its proper divisors (24653936443).

83056478405 is a wasteful number, since it uses less digits than its factorization.

83056478405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216577.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 83056478405 in words is "eighty-three billion, fifty-six million, four hundred seventy-eight thousand, four hundred five".