82071444515 has 8 divisors (see below), whose sum is σ = 98516366880. Its totient is φ = 65636733312.

The previous prime is 82071444487. The next prime is 82071444517. The reversal of 82071444515 is 51544417028.

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 82071444515 - 2¹⁰ = 82071443491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82071444517) 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, 2535095 + ... + 2567264.

It is an arithmetic number, because the mean of its divisors is an integer number (12314545860).

Almost surely, 2^82071444515 is an apocalyptic number.

82071444515 is a deficient number, since it is larger than the sum of its proper divisors (16444922365).

82071444515 is a wasteful number, since it uses less digits than its factorization.

82071444515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105581.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 82071444515 in words is "eighty-two billion, seventy-one million, four hundred forty-four thousand, five hundred fifteen".