77522040351422 has 16 divisors (see below), whose sum is σ = 118260384315840. Its totient is φ = 38106123798912.

The previous prime is 77522040351319. The next prime is 77522040351463. The reversal of 77522040351422 is 22415304022577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052851223 + ... + 1052924850.

It is an arithmetic number, because the mean of its divisors is an integer number (7391274019740).

Almost surely, 2^{77522040351422} is an apocalyptic number.

77522040351422 is a deficient number, since it is larger than the sum of its proper divisors (40738343964418).

77522040351422 is a wasteful number, since it uses less digits than its factorization.

77522040351422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105776387.

The product of its (nonzero) digits is 940800, while the sum is 44.

Adding to 77522040351422 its reverse (22415304022577), we get a palindrome (99937344373999).

The spelling of 77522040351422 in words is "seventy-seven trillion, five hundred twenty-two billion, forty million, three hundred fifty-one thousand, four hundred twenty-two".