77727366 has 96 divisors (see below), whose sum is σ = 194594400. Its totient is φ = 22256640.

The previous prime is 77727317. The next prime is 77727371. The reversal of 77727366 is 66372777.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168376 + ... + 168836.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^77727366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77727366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97297200).

77727366 is an abundant number, since it is smaller than the sum of its proper divisors (116867034).

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

77727366 is a wasteful number, since it uses less digits than its factorization.

77727366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 531 counting only the distinct ones).

The product of its digits is 518616, while the sum is 45.

The square root of 77727366 is about 8816.3124944616. The cubic root of 77727366 is about 426.7674784843.

The spelling of 77727366 in words is "seventy-seven million, seven hundred twenty-seven thousand, three hundred sixty-six".