77334777771670 has 32 divisors (see below), whose sum is σ = 140126804233920. Its totient is φ = 30728539209600.

The previous prime is 77334777771659. The next prime is 77334777771679. The reversal of 77334777771670 is 7617777743377.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 77334777771593 and 77334777771602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77334777771679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97800004 + ... + 98587576.

It is an arithmetic number, because the mean of its divisors is an integer number (4378962632310).

Almost surely, 2^{77334777771670} is an apocalyptic number.

77334777771670 is a deficient number, since it is larger than the sum of its proper divisors (62792026462250).

77334777771670 is a wasteful number, since it uses less digits than its factorization.

77334777771670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852760.

The product of its (nonzero) digits is 1245197016, while the sum is 73.

The spelling of 77334777771670 in words is "seventy-seven trillion, three hundred thirty-four billion, seven hundred seventy-seven million, seven hundred seventy-one thousand, six hundred seventy".