82119730747 has 2 divisors, whose sum is σ = 82119730748. Its totient is φ = 82119730746.

The previous prime is 82119730739. The next prime is 82119730751. The reversal of 82119730747 is 74703791128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82119730747 - 2³ = 82119730739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82119730747.

It is not a weakly prime, because it can be changed into another prime (82119733747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41059865373 + 41059865374.

It is an arithmetic number, because the mean of its divisors is an integer number (41059865374).

Almost surely, 2^82119730747 is an apocalyptic number.

82119730747 is a deficient number, since it is larger than the sum of its proper divisors (1).

82119730747 is an equidigital number, since it uses as much as digits as its factorization.

82119730747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 82119730747 in words is "eighty-two billion, one hundred nineteen million, seven hundred thirty thousand, seven hundred forty-seven".