82715213259570 has 32 divisors (see below), whose sum is σ = 198521192789568. Its totient is φ = 22056870095168.

The previous prime is 82715213259551. The next prime is 82715213259577. The reversal of 82715213259570 is 7595231251728.

It is a super-2 number, since 2×82715213259570² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82715213259570.

It is not an unprimeable number, because it can be changed into a prime (82715213259577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31212384 + ... + 33758603.

It is an arithmetic number, because the mean of its divisors is an integer number (6203787274674).

Almost surely, 2^{82715213259570} is an apocalyptic number.

82715213259570 is an abundant number, since it is smaller than the sum of its proper divisors (115805979529998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82715213259570 is a wasteful number, since it uses less digits than its factorization.

82715213259570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65013434.

The product of its (nonzero) digits is 10584000, while the sum is 57.

The spelling of 82715213259570 in words is "eighty-two trillion, seven hundred fifteen billion, two hundred thirteen million, two hundred fifty-nine thousand, five hundred seventy".