77344344102 has 16 divisors (see below), whose sum is σ = 159678646272. Its totient is φ = 24949788360.

The previous prime is 77344344101. The next prime is 77344344137. The reversal of 77344344102 is 20144344377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77344344101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207914718 + ... + 207915089.

It is an arithmetic number, because the mean of its divisors is an integer number (9979915392).

Almost surely, 2^77344344102 is an apocalyptic number.

77344344102 is an abundant number, since it is smaller than the sum of its proper divisors (82334302170).

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

77344344102 is a wasteful number, since it uses less digits than its factorization.

77344344102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415829843.

The product of its (nonzero) digits is 225792, while the sum is 39.

Adding to 77344344102 its reverse (20144344377), we get a palindrome (97488688479).

The spelling of 77344344102 in words is "seventy-seven billion, three hundred forty-four million, three hundred forty-four thousand, one hundred two".