82747363121 has 8 divisors (see below), whose sum is σ = 85772280000. Its totient is φ = 79733883600.

The previous prime is 82747363093. The next prime is 82747363151. The reversal of 82747363121 is 12136374728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82747363121 - 2²⁶ = 82680254257 is a prime.

It is a super-2 number, since 2×82747363121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82747363151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844605 + ... + 2873546.

It is an arithmetic number, because the mean of its divisors is an integer number (10721535000).

Almost surely, 2^82747363121 is an apocalyptic number.

It is an amenable number.

82747363121 is a deficient number, since it is larger than the sum of its proper divisors (3024916879).

82747363121 is a wasteful number, since it uses less digits than its factorization.

82747363121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718679.

The product of its digits is 338688, while the sum is 44.

The spelling of 82747363121 in words is "eighty-two billion, seven hundred forty-seven million, three hundred sixty-three thousand, one hundred twenty-one".