83477983927 has 16 divisors (see below), whose sum is σ = 90462633408. Its totient is φ = 76574234880.

The previous prime is 83477983817. The next prime is 83477983937. The reversal of 83477983927 is 72938977438.

It is a de Polignac number, because none of the positive numbers 2^k-83477983927 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 (83477983937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374102 + ... + 5389612.

It is an arithmetic number, because the mean of its divisors is an integer number (5653914588).

Almost surely, 2^83477983927 is an apocalyptic number.

83477983927 is a deficient number, since it is larger than the sum of its proper divisors (6984649481).

83477983927 is a wasteful number, since it uses less digits than its factorization.

83477983927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18090.

The product of its digits is 128024064, while the sum is 67.

The spelling of 83477983927 in words is "eighty-three billion, four hundred seventy-seven million, nine hundred eighty-three thousand, nine hundred twenty-seven".