77761482248 has 36 divisors (see below), whose sum is σ = 153910156365. Its totient is φ = 36827287776.

The previous prime is 77761482223. The next prime is 77761482251. The reversal of 77761482248 is 84228416777.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 70574172964 + 7187309284 = 265658^2 + 84778^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=197182.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77761482193 and 77761482202.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14983238 + ... + 14988426.

Almost surely, 2^77761482248 is an apocalyptic number.

It is an amenable number.

77761482248 is a deficient number, since it is larger than the sum of its proper divisors (76148674117).

77761482248 is an frugal number, since it uses more digits than its factorization.

77761482248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422 (or 5210 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 56.

The spelling of 77761482248 in words is "seventy-seven billion, seven hundred sixty-one million, four hundred eighty-two thousand, two hundred forty-eight".