82398777137 has 12 divisors (see below), whose sum is σ = 85616315760. Its totient is φ = 79278611496.

The previous prime is 82398777073. The next prime is 82398777151. The reversal of 82398777137 is 73177789328.

It is not a de Polignac number, because 82398777137 - 2⁶ = 82398777073 is a prime.

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 82398777137.

It is not an unprimeable number, because it can be changed into a prime (82398777157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185783 + ... + 446444.

It is an arithmetic number, because the mean of its divisors is an integer number (7134692980).

Almost surely, 2^82398777137 is an apocalyptic number.

It is an amenable number.

82398777137 is a deficient number, since it is larger than the sum of its proper divisors (3217538623).

82398777137 is an equidigital number, since it uses as much as digits as its factorization.

82398777137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632380 (or 632333 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 62.

The spelling of 82398777137 in words is "eighty-two billion, three hundred ninety-eight million, seven hundred seventy-seven thousand, one hundred thirty-seven".