77221454063 has 16 divisors (see below), whose sum is σ = 83979403200. Its totient is φ = 70581196800.

The previous prime is 77221454053. The next prime is 77221454111. The reversal of 77221454063 is 36045412277.

It is a cyclic number.

It is not a de Polignac number, because 77221454063 - 2⁸ = 77221453807 is a prime.

It is a super-3 number, since 3×77221454063³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77221454063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77221454053) 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, 2251598 + ... + 2285636.

It is an arithmetic number, because the mean of its divisors is an integer number (5248712700).

Almost surely, 2^77221454063 is an apocalyptic number.

77221454063 is a deficient number, since it is larger than the sum of its proper divisors (6757949137).

77221454063 is a wasteful number, since it uses less digits than its factorization.

77221454063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35762.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 77221454063 in words is "seventy-seven billion, two hundred twenty-one million, four hundred fifty-four thousand, sixty-three".