82910448515 has 8 divisors (see below), whose sum is σ = 99494137728. Its totient is φ = 66327292480.

The previous prime is 82910448473. The next prime is 82910448547. The reversal of 82910448515 is 51584401928.

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

It is a de Polignac number, because none of the positive numbers 2^k-82910448515 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 82910448515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410510 + ... + 578220.

It is an arithmetic number, because the mean of its divisors is an integer number (12436767216).

Almost surely, 2^82910448515 is an apocalyptic number.

82910448515 is a deficient number, since it is larger than the sum of its proper divisors (16583689213).

82910448515 is a wasteful number, since it uses less digits than its factorization.

82910448515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266589.

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 82910448515 in words is "eighty-two billion, nine hundred ten million, four hundred forty-eight thousand, five hundred fifteen".