77854044235606 has 32 divisors (see below), whose sum is σ = 123918433044480. Its totient is φ = 36557833872000.

The previous prime is 77854044235573. The next prime is 77854044235607. The reversal of 77854044235606 is 60653244045877.

77854044235606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×77854044235606² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77854044235607) 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, 214321431 + ... + 214684381.

It is an arithmetic number, because the mean of its divisors is an integer number (3872451032640).

Almost surely, 2^{77854044235606} is an apocalyptic number.

77854044235606 is a deficient number, since it is larger than the sum of its proper divisors (46064388808874).

77854044235606 is a wasteful number, since it uses less digits than its factorization.

77854044235606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376620.

The product of its (nonzero) digits is 135475200, while the sum is 61.

The spelling of 77854044235606 in words is "seventy-seven trillion, eight hundred fifty-four billion, forty-four million, two hundred thirty-five thousand, six hundred six".