7776677000 has 64 divisors (see below), whose sum is σ = 18247086000. Its totient is φ = 3102182400.

The previous prime is 7776676981. The next prime is 7776677059. The reversal of 7776677000 is 7766777.

It can be written as a sum of positive squares in 8 ways, for example, as 1504353796 + 6272323204 = 38786^2 + 79198^2 .

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362576 + ... + 383424.

Almost surely, 2^7776677000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7776677000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9123543000).

7776677000 is an abundant number, since it is smaller than the sum of its proper divisors (10470409000).

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

7776677000 is a wasteful number, since it uses less digits than its factorization.

7776677000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21243 (or 21229 counting only the distinct ones).

The product of its (nonzero) digits is 605052, while the sum is 47.

The square root of 7776677000 is about 88185.4693246002. The cubic root of 7776677000 is about 1981.2138426464.

The spelling of 7776677000 in words is "seven billion, seven hundred seventy-six million, six hundred seventy-seven thousand".