77040310206 has 16 divisors (see below), whose sum is σ = 154086349824. Its totient is φ = 25679148504.

The previous prime is 77040310199. The next prime is 77040310229. The reversal of 77040310206 is 60201304077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52780 + ... + 396063.

It is an arithmetic number, because the mean of its divisors is an integer number (9630396864).

Almost surely, 2^77040310206 is an apocalyptic number.

77040310206 is an abundant number, since it is smaller than the sum of its proper divisors (77046039618).

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

77040310206 is a wasteful number, since it uses less digits than its factorization.

77040310206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477455.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 77040310206 in words is "seventy-seven billion, forty million, three hundred ten thousand, two hundred six".