82500919387 has 2 divisors, whose sum is σ = 82500919388. Its totient is φ = 82500919386.

The previous prime is 82500919379. The next prime is 82500919409. The reversal of 82500919387 is 78391900528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82500919387 - 2³ = 82500919379 is a prime.

It is not a weakly prime, because it can be changed into another prime (82500919087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41250459693 + 41250459694.

It is an arithmetic number, because the mean of its divisors is an integer number (41250459694).

Almost surely, 2^82500919387 is an apocalyptic number.

82500919387 is a deficient number, since it is larger than the sum of its proper divisors (1).

82500919387 is an equidigital number, since it uses as much as digits as its factorization.

82500919387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 82500919387 in words is "eighty-two billion, five hundred million, nine hundred nineteen thousand, three hundred eighty-seven".