77053209306 has 16 divisors (see below), whose sum is σ = 154563711744. Its totient is φ = 25608187584.

The previous prime is 77053209301. The next prime is 77053209313. The reversal of 77053209306 is 60390235077.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77053209301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19051690 + ... + 19055733.

It is an arithmetic number, because the mean of its divisors is an integer number (9660231984).

Almost surely, 2^77053209306 is an apocalyptic number.

77053209306 is an abundant number, since it is smaller than the sum of its proper divisors (77510502438).

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

77053209306 is a wasteful number, since it uses less digits than its factorization.

77053209306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38107765.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 77053209306 in words is "seventy-seven billion, fifty-three million, two hundred nine thousand, three hundred six".