7766880353 has 4 divisors (see below), whose sum is σ = 7826169648. Its totient is φ = 7707591060.

The previous prime is 7766880323. The next prime is 7766880361. The reversal of 7766880353 is 3530886677.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3530886677 = 29 ⋅121754713.

It is a cyclic number.

It is not a de Polignac number, because 7766880353 - 2²⁸ = 7498444897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7766880295 and 7766880304.

It is not an unprimeable number, because it can be changed into a prime (7766880313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29644451 + ... + 29644712.

It is an arithmetic number, because the mean of its divisors is an integer number (1956542412).

Almost surely, 2^7766880353 is an apocalyptic number.

It is an amenable number.

7766880353 is a deficient number, since it is larger than the sum of its proper divisors (59289295).

7766880353 is a wasteful number, since it uses less digits than its factorization.

7766880353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59289294.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The square root of 7766880353 is about 88129.9061215885. The cubic root of 7766880353 is about 1980.3815501986.

The spelling of 7766880353 in words is "seven billion, seven hundred sixty-six million, eight hundred eighty thousand, three hundred fifty-three".