77366735316 has 72 divisors (see below), whose sum is σ = 213494601320. Its totient is φ = 23479041024.

The previous prime is 77366735291. The next prime is 77366735353. The reversal of 77366735316 is 61353766377.

77366735316 is a `hidden beast` number, since 7 + 7 + 36 + 6 + 73 + 531 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8094600900 + 69272134416 = 89970^2 + 263196^2 .

It is a super-2 number, since 2×77366735316² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098121 + ... + 1166448.

Almost surely, 2^77366735316 is an apocalyptic number.

It is an amenable number.

77366735316 is an abundant number, since it is smaller than the sum of its proper divisors (136127866004).

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

77366735316 is a wasteful number, since it uses less digits than its factorization.

77366735316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264665 (or 2264660 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 54.

The spelling of 77366735316 in words is "seventy-seven billion, three hundred sixty-six million, seven hundred thirty-five thousand, three hundred sixteen".