82194519552 has 80 divisors (see below), whose sum is σ = 219034693680. Its totient is φ = 27390246912.

The previous prime is 82194519551. The next prime is 82194519553. The reversal of 82194519552 is 25591549128.

It is an interprime number because it is at equal distance from previous prime (82194519551) and next prime (82194519553).

It is a super-2 number, since 2×82194519552² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82194519495 and 82194519504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82194519551) 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, 7995888 + ... + 8006160.

It is an arithmetic number, because the mean of its divisors is an integer number (2737933671).

Almost surely, 2^82194519552 is an apocalyptic number.

It is an amenable number.

82194519552 is an abundant number, since it is smaller than the sum of its proper divisors (136840174128).

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

82194519552 is a wasteful number, since it uses less digits than its factorization.

82194519552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503 (or 15487 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 51.

The spelling of 82194519552 in words is "eighty-two billion, one hundred ninety-four million, five hundred nineteen thousand, five hundred fifty-two".