83698568838145 has 8 divisors (see below), whose sum is σ = 102333344542056. Its totient is φ = 65695480446336.

The previous prime is 83698568838109. The next prime is 83698568838163. The reversal of 83698568838145 is 54183886589638.

It can be written as a sum of positive squares in 4 ways, for example, as 676804027761 + 83021764810384 = 822681^2 + 9111628^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-83698568838145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157921827732 + ... + 157921828261.

It is an arithmetic number, because the mean of its divisors is an integer number (12791668067757).

Almost surely, 2^{83698568838145} is an apocalyptic number.

It is an amenable number.

83698568838145 is a deficient number, since it is larger than the sum of its proper divisors (18634775703911).

83698568838145 is a wasteful number, since it uses less digits than its factorization.

83698568838145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315843656051.

The product of its digits is 9555148800, while the sum is 82.

The spelling of 83698568838145 in words is "eighty-three trillion, six hundred ninety-eight billion, five hundred sixty-eight million, eight hundred thirty-eight thousand, one hundred forty-five".