77325077 has 2 divisors, whose sum is σ = 77325078. Its totient is φ = 77325076.

The previous prime is 77325071. The next prime is 77325089. The reversal of 77325077 is 77052377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 35153041 = 6494^2 + 5929^2 .

It is a cyclic number.

It is not a de Polignac number, because 77325077 - 2¹⁶ = 77259541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77325077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77325071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38662538 + 38662539.

It is an arithmetic number, because the mean of its divisors is an integer number (38662539).

Almost surely, 2^77325077 is an apocalyptic number.

It is an amenable number.

77325077 is a deficient number, since it is larger than the sum of its proper divisors (1).

77325077 is an equidigital number, since it uses as much as digits as its factorization.

77325077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 77325077 is about 8793.4678597241. The cubic root of 77325077 is about 426.0299394124.

The spelling of 77325077 in words is "seventy-seven million, three hundred twenty-five thousand, seventy-seven".