82267555920 has 160 divisors (see below), whose sum is σ = 278536886784. Its totient is φ = 19920499200.

The previous prime is 82267555861. The next prime is 82267555921. The reversal of 82267555920 is 2955576228.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82267555921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2313475 + ... + 2348765.

Almost surely, 2^82267555920 is an apocalyptic number.

82267555920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82267555920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139268443392).

82267555920 is an abundant number, since it is smaller than the sum of its proper divisors (196269330864).

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

82267555920 is a wasteful number, since it uses less digits than its factorization.

82267555920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36201 (or 36195 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 82267555920 in words is "eighty-two billion, two hundred sixty-seven million, five hundred fifty-five thousand, nine hundred twenty".