83776457016139 has 4 divisors (see below), whose sum is σ = 83776527971640. Its totient is φ = 83776386060640.

The previous prime is 83776457016089. The next prime is 83776457016173. The reversal of 83776457016139 is 93161075467738.

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

It is a cyclic number.

It is not a de Polignac number, because 83776457016139 - 2⁹ = 83776457015627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83776457016179) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33676222 + ... + 36078259.

It is an arithmetic number, because the mean of its divisors is an integer number (20944131992910).

Almost surely, 2^{83776457016139} is an apocalyptic number.

83776457016139 is a deficient number, since it is larger than the sum of its proper divisors (70955501).

83776457016139 is a wasteful number, since it uses less digits than its factorization.

83776457016139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70955500.

The product of its (nonzero) digits is 160030080, while the sum is 67.

The spelling of 83776457016139 in words is "eighty-three trillion, seven hundred seventy-six billion, four hundred fifty-seven million, sixteen thousand, one hundred thirty-nine".