7777700077700 has 72 divisors (see below), whose sum is σ = 19290012276864. Its totient is φ = 2666458080000.

The previous prime is 7777700077663. The next prime is 7777700077723. The reversal of 7777700077700 is 77700077777.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10094120 + ... + 10837280.

Almost surely, 2^{7777700077700} is an apocalyptic number.

7777700077700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7777700077700 is an abundant number, since it is smaller than the sum of its proper divisors (11512312199164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7777700077700 is a wasteful number, since it uses less digits than its factorization.

7777700077700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758133 (or 758126 counting only the distinct ones).

The product of its (nonzero) digits is 5764801, while the sum is 56.

The spelling of 7777700077700 in words is "seven trillion, seven hundred seventy-seven billion, seven hundred million, seventy-seven thousand, seven hundred".