77065896 has 96 divisors (see below), whose sum is σ = 210430080. Its totient is φ = 23500800.

The previous prime is 77065889. The next prime is 77065897. The reversal of 77065896 is 69856077.

It is not an unprimeable number, because it can be changed into a prime (77065897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284241 + ... + 284511.

It is an arithmetic number, because the mean of its divisors is an integer number (2191980).

Almost surely, 2^77065896 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 77065896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105215040).

77065896 is an abundant number, since it is smaller than the sum of its proper divisors (133364184).

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

77065896 is a wasteful number, since it uses less digits than its factorization.

77065896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 77065896 is about 8778.7183574825. The cubic root of 77065896 is about 425.5534123964.

It can be divided in two parts, 770 and 65896, that added together give a palindrome (66666).

The spelling of 77065896 in words is "seventy-seven million, sixty-five thousand, eight hundred ninety-six".