7770000077 has 16 divisors (see below), whose sum is σ = 9130243584. Its totient is φ = 6473520000.

The previous prime is 7770000071. The next prime is 7770000113. The reversal of 7770000077 is 7700000777.

It is a cyclic number.

It is not a de Polignac number, because 7770000077 - 2¹⁴ = 7769983693 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7770000071) 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 15 ways as a sum of consecutive naturals, for example, 27827 + ... + 127727.

It is an arithmetic number, because the mean of its divisors is an integer number (570640224).

Almost surely, 2^7770000077 is an apocalyptic number.

It is an amenable number.

7770000077 is a deficient number, since it is larger than the sum of its proper divisors (1360243507).

7770000077 is a wasteful number, since it uses less digits than its factorization.

7770000077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100220.

The product of its (nonzero) digits is 16807, while the sum is 35.

The square root of 7770000077 is about 88147.6039209235. The cubic root of 7770000077 is about 1980.6466680902.

The spelling of 7770000077 in words is "seven billion, seven hundred seventy million, seventy-seven", and thus it is an aban number.