77140004105444 has 96 divisors (see below), whose sum is σ = 163990575571200. Its totient is φ = 31013768540160.

The previous prime is 77140004105441. The next prime is 77140004105449. The reversal of 77140004105444 is 44450140004177.

It is not an unprimeable number, because it can be changed into a prime (77140004105441) 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, 63663824 + ... + 64864184.

It is an arithmetic number, because the mean of its divisors is an integer number (1708235162200).

Almost surely, 2^{77140004105444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77140004105444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81995287785600).

77140004105444 is an abundant number, since it is smaller than the sum of its proper divisors (86850571465756).

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

77140004105444 is a wasteful number, since it uses less digits than its factorization.

77140004105444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201573 (or 1201571 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 77140004105444 in words is "seventy-seven trillion, one hundred forty billion, four million, one hundred five thousand, four hundred forty-four".