77138462458622 has 8 divisors (see below), whose sum is σ = 115742430321672. Its totient is φ = 38557652351400.

The previous prime is 77138462458591. The next prime is 77138462458627. The reversal of 77138462458622 is 22685426483177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77138462458627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789430629 + ... + 5789443952.

It is an arithmetic number, because the mean of its divisors is an integer number (14467803790209).

Almost surely, 2^{77138462458622} is an apocalyptic number.

77138462458622 is a deficient number, since it is larger than the sum of its proper divisors (38603967863050).

77138462458622 is a wasteful number, since it uses less digits than its factorization.

77138462458622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11578877914.

The product of its digits is 216760320, while the sum is 65.

The spelling of 77138462458622 in words is "seventy-seven trillion, one hundred thirty-eight billion, four hundred sixty-two million, four hundred fifty-eight thousand, six hundred twenty-two".