77030436016 has 80 divisors (see below), whose sum is σ = 156705970176. Its totient is φ = 36611866368.

The previous prime is 77030436001. The next prime is 77030436017. The reversal of 77030436016 is 61063403077.

It is not an unprimeable number, because it can be changed into a prime (77030436017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49921741 + ... + 49923283.

Almost surely, 2^77030436016 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 77030436016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78352985088).

77030436016 is an abundant number, since it is smaller than the sum of its proper divisors (79675534160).

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

77030436016 is a wasteful number, since it uses less digits than its factorization.

77030436016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 77030436016 in words is "seventy-seven billion, thirty million, four hundred thirty-six thousand, sixteen".