7770947793 has 32 divisors (see below), whose sum is σ = 12270216960. Its totient is φ = 4280263680.

The previous prime is 7770947771. The next prime is 7770947803. The reversal of 7770947793 is 3977490777.

It is not a de Polignac number, because 7770947793 - 2¹⁰ = 7770946769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7770947593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365413 + ... + 386093.

It is an arithmetic number, because the mean of its divisors is an integer number (383444280).

Almost surely, 2^7770947793 is an apocalyptic number.

It is an amenable number.

7770947793 is a deficient number, since it is larger than the sum of its proper divisors (4499269167).

7770947793 is a wasteful number, since it uses less digits than its factorization.

7770947793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337.

The product of its (nonzero) digits is 16336404, while the sum is 60.

The square root of 7770947793 is about 88152.9794902021. The cubic root of 7770947793 is about 1980.7271920802.

The spelling of 7770947793 in words is "seven billion, seven hundred seventy million, nine hundred forty-seven thousand, seven hundred ninety-three".