7677772505 has 32 divisors (see below), whose sum is σ = 10201632000. Its totient is φ = 5510322432.

The previous prime is 7677772493. The next prime is 7677772513. The reversal of 7677772505 is 5052777767.

It is a cyclic number.

It is not a de Polignac number, because 7677772505 - 2¹⁶ = 7677706969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4085156 + ... + 4087034.

It is an arithmetic number, because the mean of its divisors is an integer number (318801000).

Almost surely, 2^7677772505 is an apocalyptic number.

It is an amenable number.

7677772505 is a deficient number, since it is larger than the sum of its proper divisors (2523859495).

7677772505 is a wasteful number, since it uses less digits than its factorization.

7677772505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 5042100, while the sum is 53.

The square root of 7677772505 is about 87622.8994327396. The cubic root of 7677772505 is about 1972.7788953583.

The spelling of 7677772505 in words is "seven billion, six hundred seventy-seven million, seven hundred seventy-two thousand, five hundred five".