77173840334 has 8 divisors (see below), whose sum is σ = 115764836160. Its totient is φ = 38585561616.

The previous prime is 77173840327. The next prime is 77173840397. The reversal of 77173840334 is 43304837177.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606719 + ... + 722810.

It is an arithmetic number, because the mean of its divisors is an integer number (14470604520).

Almost surely, 2^77173840334 is an apocalyptic number.

77173840334 is a deficient number, since it is larger than the sum of its proper divisors (38590995826).

77173840334 is a wasteful number, since it uses less digits than its factorization.

77173840334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358554.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 77173840334 in words is "seventy-seven billion, one hundred seventy-three million, eight hundred forty thousand, three hundred thirty-four".