7776241489 has 9 divisors (see below), whose sum is σ = 7838730459. Its totient is φ = 7714248840.

The previous prime is 7776241481. The next prime is 7776241553. The reversal of 7776241489 is 9841426777.

It is a happy number.

The square root of 7776241489 is 88183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3089469889 + 4686771600 = 55583^2 + 68460^2 .

It is not a de Polignac number, because 7776241489 - 2³ = 7776241481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7776241481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14373559 + ... + 14374099.

It is an arithmetic number, because the mean of its divisors is an integer number (870970051).

Almost surely, 2^7776241489 is an apocalyptic number.

7776241489 is the 88183-rd square number.

7776241489 is the 44092-nd centered octagonal number.

It is an amenable number.

7776241489 is a deficient number, since it is larger than the sum of its proper divisors (62488970).

7776241489 is an frugal number, since it uses more digits than its factorization.

7776241489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 704 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The cubic root of 7776241489 is about 1981.1768578464.

The spelling of 7776241489 in words is "seven billion, seven hundred seventy-six million, two hundred forty-one thousand, four hundred eighty-nine".