82530988338851 has 4 divisors (see below), whose sum is σ = 88879525903392. Its totient is φ = 76182450774312.

The previous prime is 82530988338823. The next prime is 82530988338857. The reversal of 82530988338851 is 15883388903528.

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

It is a cyclic number.

It is not a de Polignac number, because 82530988338851 - 2⁶ = 82530988338787 is a prime.

It is a super-2 number, since 2×82530988338851² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82530988338857) 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, 3174268782251 + ... + 3174268782276.

It is an arithmetic number, because the mean of its divisors is an integer number (22219881475848).

Almost surely, 2^{82530988338851} is an apocalyptic number.

82530988338851 is a deficient number, since it is larger than the sum of its proper divisors (6348537564541).

82530988338851 is a wasteful number, since it uses less digits than its factorization.

82530988338851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348537564540.

The product of its (nonzero) digits is 398131200, while the sum is 71.

The spelling of 82530988338851 in words is "eighty-two trillion, five hundred thirty billion, nine hundred eighty-eight million, three hundred thirty-eight thousand, eight hundred fifty-one".