82921230726 has 16 divisors (see below), whose sum is σ = 165855449664. Its totient is φ = 27638245544.

The previous prime is 82921230697. The next prime is 82921230727. The reversal of 82921230726 is 62703212928.

It is a super-2 number, since 2×82921230726² (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 (82921230727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457176 + ... + 612251.

It is an arithmetic number, because the mean of its divisors is an integer number (10365965604).

Almost surely, 2^82921230726 is an apocalyptic number.

82921230726 is an abundant number, since it is smaller than the sum of its proper divisors (82934218938).

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

82921230726 is a wasteful number, since it uses less digits than its factorization.

82921230726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082355.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 82921230726 in words is "eighty-two billion, nine hundred twenty-one million, two hundred thirty thousand, seven hundred twenty-six".