77171342000000 has 112 divisors (see below), whose sum is σ = 192172273757160. Its totient is φ = 30868536000000.

The previous prime is 77171341999931. The next prime is 77171342000089. The reversal of 77171342000000 is 24317177.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 17292836 + ... + 21292835.

Almost surely, 2^{77171342000000} is an apocalyptic number.

It is an amenable number.

77171342000000 is an abundant number, since it is smaller than the sum of its proper divisors (115000931757160).

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

77171342000000 is an frugal number, since it uses more digits than its factorization.

77171342000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38585715 (or 38585678 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

Adding to 77171342000000 its reverse (24317177), we get a palindrome (77171366317177).

The spelling of 77171342000000 in words is "seventy-seven trillion, one hundred seventy-one billion, three hundred forty-two million", and thus it is an aban number.