771227480449 has 8 divisors (see below), whose sum is σ = 784407258720. Its totient is φ = 758051306496.

The previous prime is 771227480411. The next prime is 771227480459. The reversal of 771227480449 is 944084722177.

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

It is a cyclic number.

It is not a de Polignac number, because 771227480449 - 2²¹ = 771225383297 is a prime.

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 771227480449.

It is not an unprimeable number, because it can be changed into a prime (771227480459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467712 + ... + 1327105.

It is an arithmetic number, because the mean of its divisors is an integer number (98050907340).

Almost surely, 2^771227480449 is an apocalyptic number.

It is an amenable number.

771227480449 is a deficient number, since it is larger than the sum of its proper divisors (13179778271).

771227480449 is a wasteful number, since it uses less digits than its factorization.

771227480449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802159.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 771227480449 in words is "seven hundred seventy-one billion, two hundred twenty-seven million, four hundred eighty thousand, four hundred forty-nine".