77064125 has 8 divisors (see below), whose sum is σ = 96176184. Its totient is φ = 61651200.

The previous prime is 77064103. The next prime is 77064131. The reversal of 77064125 is 52146077.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 76965529 = 314^2 + 8773^2 .

It is not a de Polignac number, because 77064125 - 2¹⁶ = 76998589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77064091 and 77064100.

It is a congruent number.

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, 308132 + ... + 308381.

It is an arithmetic number, because the mean of its divisors is an integer number (12022023).

Almost surely, 2^77064125 is an apocalyptic number.

It is an amenable number.

77064125 is a deficient number, since it is larger than the sum of its proper divisors (19112059).

77064125 is an equidigital number, since it uses as much as digits as its factorization.

77064125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616528 (or 616518 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 77064125 is about 8778.6174879647. The cubic root of 77064125 is about 425.5501525849.

The spelling of 77064125 in words is "seventy-seven million, sixty-four thousand, one hundred twenty-five".