77773047000 has 256 divisors, whose sum is σ = 265109345280. Its totient is φ = 18825728000.

The previous prime is 77773046999. The next prime is 77773047017. The reversal of 77773047000 is 74037777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29269672 + ... + 29272328.

It is an arithmetic number, because the mean of its divisors is an integer number (1035583380).

Almost surely, 2^77773047000 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 77773047000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132554672640).

77773047000 is an abundant number, since it is smaller than the sum of its proper divisors (187336298280).

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

77773047000 is a wasteful number, since it uses less digits than its factorization.

77773047000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 201684, while the sum is 42.

The spelling of 77773047000 in words is "seventy-seven billion, seven hundred seventy-three million, forty-seven thousand".