82863474072 has 16 divisors (see below), whose sum is σ = 207158685240. Its totient is φ = 27621158016.

The previous prime is 82863474053. The next prime is 82863474073. The reversal of 82863474072 is 27047436828.

It is a super-2 number, since 2×82863474072² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82863474073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726322353 + ... + 1726322400.

Almost surely, 2^82863474072 is an apocalyptic number.

It is an amenable number.

82863474072 is an abundant number, since it is smaller than the sum of its proper divisors (124295211168).

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

82863474072 is a wasteful number, since it uses less digits than its factorization.

82863474072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452644762 (or 3452644758 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 82863474072 in words is "eighty-two billion, eight hundred sixty-three million, four hundred seventy-four thousand, seventy-two".