83806277393 has 8 divisors (see below), whose sum is σ = 90270998016. Its totient is φ = 77576637600.

The previous prime is 83806277389. The next prime is 83806277417. The reversal of 83806277393 is 39377260838.

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

It is a cyclic number.

It is not a de Polignac number, because 83806277393 - 2² = 83806277389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83806277333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58769468 + ... + 58770893.

It is an arithmetic number, because the mean of its divisors is an integer number (11283874752).

Almost surely, 2^83806277393 is an apocalyptic number.

It is an amenable number.

83806277393 is a deficient number, since it is larger than the sum of its proper divisors (6464720623).

83806277393 is a wasteful number, since it uses less digits than its factorization.

83806277393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117540415.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 83806277393 in words is "eighty-three billion, eight hundred six million, two hundred seventy-seven thousand, three hundred ninety-three".