77491934431622 has 16 divisors (see below), whose sum is σ = 116573879605392. Its totient is φ = 38633987166720.

The previous prime is 77491934431579. The next prime is 77491934431669. The reversal of 77491934431622 is 22613443919477.

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, 9189722 + ... + 15473682.

It is an arithmetic number, because the mean of its divisors is an integer number (7285867475337).

Almost surely, 2^{77491934431622} is an apocalyptic number.

77491934431622 is a deficient number, since it is larger than the sum of its proper divisors (39081945173770).

77491934431622 is a wasteful number, since it uses less digits than its factorization.

77491934431622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301783.

The product of its digits is 54867456, while the sum is 62.

The spelling of 77491934431622 in words is "seventy-seven trillion, four hundred ninety-one billion, nine hundred thirty-four million, four hundred thirty-one thousand, six hundred twenty-two".