76852709 has 2 divisors, whose sum is σ = 76852710. Its totient is φ = 76852708.

The previous prime is 76852693. The next prime is 76852717. The reversal of 76852709 is 90725867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 31922500 = 6703^2 + 5650^2 .

It is a cyclic number.

It is not a de Polignac number, because 76852709 - 2⁴ = 76852693 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76852709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76852759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38426354 + 38426355.

It is an arithmetic number, because the mean of its divisors is an integer number (38426355).

Almost surely, 2^76852709 is an apocalyptic number.

It is an amenable number.

76852709 is a deficient number, since it is larger than the sum of its proper divisors (1).

76852709 is an equidigital number, since it uses as much as digits as its factorization.

76852709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 76852709 is about 8766.5676863867. The cubic root of 76852709 is about 425.1606479187.

The spelling of 76852709 in words is "seventy-six million, eight hundred fifty-two thousand, seven hundred nine".