77839800375 has 16 divisors (see below), whose sum is σ = 129525428448. Its totient is φ = 41514560000.

The previous prime is 77839800373. The next prime is 77839800403. The reversal of 77839800375 is 57300893877.

It is not a de Polignac number, because 77839800375 - 2¹ = 77839800373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77839800371) 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 15 ways as a sum of consecutive naturals, for example, 103786026 + ... + 103786775.

It is an arithmetic number, because the mean of its divisors is an integer number (8095339278).

Almost surely, 2^77839800375 is an apocalyptic number.

77839800375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

77839800375 is a deficient number, since it is larger than the sum of its proper divisors (51685628073).

77839800375 is a wasteful number, since it uses less digits than its factorization.

77839800375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207572819 (or 207572809 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 77839800375 in words is "seventy-seven billion, eight hundred thirty-nine million, eight hundred thousand, three hundred seventy-five".