77347735374 has 64 divisors (see below), whose sum is σ = 190884395520. Its totient is φ = 20346906240.

The previous prime is 77347735373. The next prime is 77347735397. The reversal of 77347735374 is 47353774377.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77347735373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30309 + ... + 394479.

It is an arithmetic number, because the mean of its divisors is an integer number (2982568680).

Almost surely, 2^77347735374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77347735374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95442197760).

77347735374 is an abundant number, since it is smaller than the sum of its proper divisors (113536660146).

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

77347735374 is a wasteful number, since it uses less digits than its factorization.

77347735374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364585.

The product of its digits is 36303120, while the sum is 57.

The spelling of 77347735374 in words is "seventy-seven billion, three hundred forty-seven million, seven hundred thirty-five thousand, three hundred seventy-four".