83509847534157 has 16 divisors (see below), whose sum is σ = 121750699484160. Its totient is φ = 50494599498800.

The previous prime is 83509847534131. The next prime is 83509847534287. The reversal of 83509847534157 is 75143574890538.

It is a cyclic number.

It is not a de Polignac number, because 83509847534157 - 2⁸ = 83509847533901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83509847534091 and 83509847534100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83509847534957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935718307 + ... + 2935746752.

It is an arithmetic number, because the mean of its divisors is an integer number (7609418717760).

Almost surely, 2^{83509847534157} is an apocalyptic number.

It is an amenable number.

83509847534157 is a deficient number, since it is larger than the sum of its proper divisors (38240851950003).

83509847534157 is a wasteful number, since it uses less digits than its factorization.

83509847534157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871465504.

The product of its (nonzero) digits is 508032000, while the sum is 69.

The spelling of 83509847534157 in words is "eighty-three trillion, five hundred nine billion, eight hundred forty-seven million, five hundred thirty-four thousand, one hundred fifty-seven".