77400374084334 has 32 divisors (see below), whose sum is σ = 196572378627840. Its totient is φ = 22114392595416.

The previous prime is 77400374084291. The next prime is 77400374084347. The reversal of 77400374084334 is 43348047300477.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102381446824 + ... + 102381447579.

It is an arithmetic number, because the mean of its divisors is an integer number (6142886832120).

Almost surely, 2^{77400374084334} is an apocalyptic number.

77400374084334 is an abundant number, since it is smaller than the sum of its proper divisors (119172004543506).

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

77400374084334 is a wasteful number, since it uses less digits than its factorization.

77400374084334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204762894421 (or 204762894415 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 54.

The spelling of 77400374084334 in words is "seventy-seven trillion, four hundred billion, three hundred seventy-four million, eighty-four thousand, three hundred thirty-four".