77206706000 has 80 divisors (see below), whose sum is σ = 188431064640. Its totient is φ = 30593974400.

The previous prime is 77206705987. The next prime is 77206706011. The reversal of 77206706000 is 60760277.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33611 + ... + 394389.

It is an arithmetic number, because the mean of its divisors is an integer number (2355388308).

Almost surely, 2^77206706000 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 77206706000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94215532320).

77206706000 is an abundant number, since it is smaller than the sum of its proper divisors (111224358640).

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

77206706000 is a wasteful number, since it uses less digits than its factorization.

77206706000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360909 (or 360893 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 77206706000 in words is "seventy-seven billion, two hundred six million, seven hundred six thousand".