83907549343 has 4 divisors (see below), whose sum is σ = 83911862808. Its totient is φ = 83903235880.

The previous prime is 83907549293. The next prime is 83907549353. The reversal of 83907549343 is 34394570938.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83907549343 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 (83907549353) 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 3 ways as a sum of consecutive naturals, for example, 2127421 + ... + 2166502.

It is an arithmetic number, because the mean of its divisors is an integer number (20977965702).

Almost surely, 2^83907549343 is an apocalyptic number.

83907549343 is a deficient number, since it is larger than the sum of its proper divisors (4313465).

83907549343 is a wasteful number, since it uses less digits than its factorization.

83907549343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313464.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 83907549343 in words is "eighty-three billion, nine hundred seven million, five hundred forty-nine thousand, three hundred forty-three".