77824837808038 has 8 divisors (see below), whose sum is σ = 116737546790088. Its totient is φ = 38912322211344.

The previous prime is 77824837808033. The next prime is 77824837808051. The reversal of 77824837808038 is 83080873842877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77824837808033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47336031 + ... + 48952522.

It is an arithmetic number, because the mean of its divisors is an integer number (14592193348761).

Almost surely, 2^{77824837808038} is an apocalyptic number.

77824837808038 is a deficient number, since it is larger than the sum of its proper divisors (38912708982050).

77824837808038 is a wasteful number, since it uses less digits than its factorization.

77824837808038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96692678.

The product of its (nonzero) digits is 809238528, while the sum is 73.

The spelling of 77824837808038 in words is "seventy-seven trillion, eight hundred twenty-four billion, eight hundred thirty-seven million, eight hundred eight thousand, thirty-eight".