82390009328 has 30 divisors (see below), whose sum is σ = 175461785352. Its totient is φ = 37450003360.

The previous prime is 82390009327. The next prime is 82390009349.

82390009328 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×82390009328² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82390009321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21276476 + ... + 21280347.

Almost surely, 2^82390009328 is an apocalyptic number.

82390009328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

82390009328 is an abundant number, since it is smaller than the sum of its proper divisors (93071776024).

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

82390009328 is a wasteful number, since it uses less digits than its factorization.

82390009328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42556853 (or 42556836 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 82390009328 in words is "eighty-two billion, three hundred ninety million, nine thousand, three hundred twenty-eight".