77463168 has 64 divisors (see below), whose sum is σ = 209197920. Its totient is φ = 25390080.

The previous prime is 77463131. The next prime is 77463187. The reversal of 77463168 is 86136477.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21771 + ... + 25077.

Almost surely, 2^77463168 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 77463168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104598960).

77463168 is an abundant number, since it is smaller than the sum of its proper divisors (131734752).

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

77463168 is a wasteful number, since it uses less digits than its factorization.

77463168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3373 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 77463168 is about 8801.3162651958. The cubic root of 77463168 is about 426.2833971361.

The spelling of 77463168 in words is "seventy-seven million, four hundred sixty-three thousand, one hundred sixty-eight".