77242277466743 has 16 divisors (see below), whose sum is σ = 78229861728480. Its totient is φ = 76260751257600.

The previous prime is 77242277466727. The next prime is 77242277466763. The reversal of 77242277466743 is 34766477224277.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 77242277466743 - 2⁴ = 77242277466727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77242277466763) 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, 1349393603 + ... + 1349450843.

It is an arithmetic number, because the mean of its divisors is an integer number (4889366358030).

Almost surely, 2^{77242277466743} is an apocalyptic number.

77242277466743 is a deficient number, since it is larger than the sum of its proper divisors (987584261737).

77242277466743 is a wasteful number, since it uses less digits than its factorization.

77242277466743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109858.

The product of its digits is 929359872, while the sum is 68.

The spelling of 77242277466743 in words is "seventy-seven trillion, two hundred forty-two billion, two hundred seventy-seven million, four hundred sixty-six thousand, seven hundred forty-three".