83865014387 has 16 divisors (see below), whose sum is σ = 104568102144. Its totient is φ = 65343660000.

The previous prime is 83865014383. The next prime is 83865014393. The reversal of 83865014387 is 78341056838.

It is a cyclic number.

It is not a de Polignac number, because 83865014387 - 2² = 83865014383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83865014383) 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 15 ways as a sum of consecutive naturals, for example, 985637 + ... + 1067337.

It is an arithmetic number, because the mean of its divisors is an integer number (6535506384).

Almost surely, 2^83865014387 is an apocalyptic number.

83865014387 is a deficient number, since it is larger than the sum of its proper divisors (20703087757).

83865014387 is a wasteful number, since it uses less digits than its factorization.

83865014387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95050.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 83865014387 in words is "eighty-three billion, eight hundred sixty-five million, fourteen thousand, three hundred eighty-seven".