83308987365 has 32 divisors (see below), whose sum is σ = 137410611840. Its totient is φ = 43080016896.

The previous prime is 83308987357. The next prime is 83308987367. The reversal of 83308987365 is 56378980338.

It is not a de Polignac number, because 83308987365 - 2³ = 83308987357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83308987299 and 83308987308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83308987367) 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 31 ways as a sum of consecutive naturals, for example, 580152 + ... + 709361.

It is an arithmetic number, because the mean of its divisors is an integer number (4294081620).

Almost surely, 2^83308987365 is an apocalyptic number.

It is an amenable number.

83308987365 is a deficient number, since it is larger than the sum of its proper divisors (54101624475).

83308987365 is a wasteful number, since it uses less digits than its factorization.

83308987365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289653.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 83308987365 in words is "eighty-three billion, three hundred eight million, nine hundred eighty-seven thousand, three hundred sixty-five".