83340493815 has 16 divisors (see below), whose sum is σ = 133362321408. Its totient is φ = 44442419616.

The previous prime is 83340493781. The next prime is 83340493861. The reversal of 83340493815 is 51839404338.

It is not a de Polignac number, because 83340493815 - 2¹⁰ = 83340492791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246087 + ... + 476696.

It is an arithmetic number, because the mean of its divisors is an integer number (8335145088).

Almost surely, 2^83340493815 is an apocalyptic number.

83340493815 is a deficient number, since it is larger than the sum of its proper divisors (50021827593).

83340493815 is a wasteful number, since it uses less digits than its factorization.

83340493815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730478.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 83340493815 in words is "eighty-three billion, three hundred forty million, four hundred ninety-three thousand, eight hundred fifteen".