77897310173 has 8 divisors (see below), whose sum is σ = 77952888000. Its totient is φ = 77841758368.

The previous prime is 77897310163. The next prime is 77897310199. The reversal of 77897310173 is 37101379877.

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

It is a cyclic number.

It is not a de Polignac number, because 77897310173 - 2⁶ = 77897310109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77897310103) 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 7 ways as a sum of consecutive naturals, for example, 14686640 + ... + 14691942.

It is an arithmetic number, because the mean of its divisors is an integer number (9744111000).

Almost surely, 2^77897310173 is an apocalyptic number.

It is an amenable number.

77897310173 is a deficient number, since it is larger than the sum of its proper divisors (55577827).

77897310173 is a wasteful number, since it uses less digits than its factorization.

77897310173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 77897310173 in words is "seventy-seven billion, eight hundred ninety-seven million, three hundred ten thousand, one hundred seventy-three".