5399327226978 has 96 divisors (see below), whose sum is σ = 12397195100160. Its totient is φ = 1695767633280.

The previous prime is 5399327226901. The next prime is 5399327226991. The reversal of 5399327226978 is 8796227239935.

It is a happy number.

5399327226978 is a `hidden beast` number, since 5 + 3 + 9 + 9 + 327 + 226 + 9 + 78 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3376351 + ... + 4711517.

It is an arithmetic number, because the mean of its divisors is an integer number (129137448960).

Almost surely, 2^{5399327226978} is an apocalyptic number.

5399327226978 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5399327226978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6198597550080).

5399327226978 is an abundant number, since it is smaller than the sum of its proper divisors (6997867873182).

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

5399327226978 is a wasteful number, since it uses less digits than its factorization.

5399327226978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335392 (or 1335389 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 72.

The spelling of 5399327226978 in words is "five trillion, three hundred ninety-nine billion, three hundred twenty-seven million, two hundred twenty-six thousand, nine hundred seventy-eight".