77210223082321 has 8 divisors (see below), whose sum is σ = 88522172701184. Its totient is φ = 65968752900960.

The previous prime is 77210223082309. The next prime is 77210223082331. The reversal of 77210223082321 is 12328032201277.

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

It is not a de Polignac number, because 77210223082321 - 2¹³ = 77210223074129 is a prime.

It is a super-2 number, since 2×77210223082321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77210223082301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17619857025 + ... + 17619861406.

It is an arithmetic number, because the mean of its divisors is an integer number (11065271587648).

Almost surely, 2^{77210223082321} is an apocalyptic number.

It is an amenable number.

77210223082321 is a deficient number, since it is larger than the sum of its proper divisors (11311949618863).

77210223082321 is a wasteful number, since it uses less digits than its factorization.

77210223082321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35239718751.

The product of its (nonzero) digits is 112896, while the sum is 40.

Adding to 77210223082321 its reverse (12328032201277), we get a palindrome (89538255283598).

The spelling of 77210223082321 in words is "seventy-seven trillion, two hundred ten billion, two hundred twenty-three million, eighty-two thousand, three hundred twenty-one".