82975339387 has 2 divisors, whose sum is σ = 82975339388. Its totient is φ = 82975339386.

The previous prime is 82975339379. The next prime is 82975339411. The reversal of 82975339387 is 78393357928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82975339387 - 2³ = 82975339379 is a prime.

It is a super-3 number, since 3×82975339387³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (82975339687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41487669693 + 41487669694.

It is an arithmetic number, because the mean of its divisors is an integer number (41487669694).

Almost surely, 2^82975339387 is an apocalyptic number.

82975339387 is a deficient number, since it is larger than the sum of its proper divisors (1).

82975339387 is an equidigital number, since it uses as much as digits as its factorization.

82975339387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 64.

The spelling of 82975339387 in words is "eighty-two billion, nine hundred seventy-five million, three hundred thirty-nine thousand, three hundred eighty-seven".