77024764221361 has 16 divisors (see below), whose sum is σ = 89661126882240. Its totient is φ = 65428389861120.

The previous prime is 77024764221347. The next prime is 77024764221373. The reversal of 77024764221361 is 16312246742077.

It is not a de Polignac number, because 77024764221361 - 2⁹ = 77024764220849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77024764221299 and 77024764221308.

It is not an unprimeable number, because it can be changed into a prime (77024764221661) 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, 2524228180 + ... + 2524258693.

It is an arithmetic number, because the mean of its divisors is an integer number (5603820430140).

Almost surely, 2^{77024764221361} is an apocalyptic number.

It is an amenable number.

77024764221361 is a deficient number, since it is larger than the sum of its proper divisors (12636362660879).

77024764221361 is a wasteful number, since it uses less digits than its factorization.

77024764221361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048486976.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 77024764221361 in words is "seventy-seven trillion, twenty-four billion, seven hundred sixty-four million, two hundred twenty-one thousand, three hundred sixty-one".