83080002557 has 4 divisors (see below), whose sum is σ = 83086103100. Its totient is φ = 83073902016.

The previous prime is 83080002463. The next prime is 83080002589. The reversal of 83080002557 is 75520008038.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3699194041 + 79380808516 = 60821^2 + 281746^2 .

It is a cyclic number.

It is not a de Polignac number, because 83080002557 - 2²² = 83075808253 is a prime.

It is a super-2 number, since 2×83080002557² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83080002557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83080002157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029798 + ... + 3057095.

It is an arithmetic number, because the mean of its divisors is an integer number (20771525775).

Almost surely, 2^83080002557 is an apocalyptic number.

It is an amenable number.

83080002557 is a deficient number, since it is larger than the sum of its proper divisors (6100543).

83080002557 is a wasteful number, since it uses less digits than its factorization.

83080002557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100542.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 83080002557 in words is "eighty-three billion, eighty million, two thousand, five hundred fifty-seven".