77390701 has 2 divisors, whose sum is σ = 77390702. Its totient is φ = 77390700.

The previous prime is 77390683. The next prime is 77390711. The reversal of 77390701 is 10709377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 30536676 = 6845^2 + 5526^2 .

It is a cyclic number.

It is not a de Polignac number, because 77390701 - 2¹³ = 77382509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77390711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38695350 + 38695351.

It is an arithmetic number, because the mean of its divisors is an integer number (38695351).

Almost surely, 2^77390701 is an apocalyptic number.

It is an amenable number.

77390701 is a deficient number, since it is larger than the sum of its proper divisors (1).

77390701 is an equidigital number, since it uses as much as digits as its factorization.

77390701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 77390701 is about 8797.1984745145. The cubic root of 77390701 is about 426.1504259114.

The spelling of 77390701 in words is "seventy-seven million, three hundred ninety thousand, seven hundred one".