77060064 has 24 divisors (see below), whose sum is σ = 202282920. Its totient is φ = 25686656.

The previous prime is 77059993. The next prime is 77060069. The reversal of 77060064 is 46006077.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77060069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401259 + ... + 401450.

It is an arithmetic number, because the mean of its divisors is an integer number (8428455).

Almost surely, 2^77060064 is an apocalyptic number.

It is an amenable number.

77060064 is an abundant number, since it is smaller than the sum of its proper divisors (125222856).

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

77060064 is a wasteful number, since it uses less digits than its factorization.

77060064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802722 (or 802714 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 77060064 is about 8778.3861842596. The cubic root of 77060064 is about 425.5426774702.

The spelling of 77060064 in words is "seventy-seven million, sixty thousand, sixty-four".