77830328325 has 24 divisors (see below), whose sum is σ = 133116703200. Its totient is φ = 40078144960.

The previous prime is 77830328269. The next prime is 77830328327. The reversal of 77830328325 is 52382303877.

It is not a de Polignac number, because 77830328325 - 2¹⁴ = 77830311941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77830328327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17889855 + ... + 17894204.

It is an arithmetic number, because the mean of its divisors is an integer number (5546529300).

Almost surely, 2^77830328325 is an apocalyptic number.

77830328325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77830328325 is a deficient number, since it is larger than the sum of its proper divisors (55286374875).

77830328325 is a wasteful number, since it uses less digits than its factorization.

77830328325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35784101 (or 35784096 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 77830328325 in words is "seventy-seven billion, eight hundred thirty million, three hundred twenty-eight thousand, three hundred twenty-five".