77360064 has 112 divisors (see below), whose sum is σ = 219565728. Its totient is φ = 23953408.

The previous prime is 77360057. The next prime is 77360099. The reversal of 77360064 is 46006377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447082 + ... + 447254.

Almost surely, 2^77360064 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 77360064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109782864).

77360064 is an abundant number, since it is smaller than the sum of its proper divisors (142205664).

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

77360064 is a wasteful number, since it uses less digits than its factorization.

77360064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 77360064 is about 8795.4570091610. The cubic root of 77360064 is about 426.0941844696.

The spelling of 77360064 in words is "seventy-seven million, three hundred sixty thousand, sixty-four".