78607552757 has 2 divisors, whose sum is σ = 78607552758. Its totient is φ = 78607552756.

The previous prime is 78607552711. The next prime is 78607552763. The reversal of 78607552757 is 75725570687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78602290321 + 5262436 = 280361^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 78607552757 - 2¹⁶ = 78607487221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78607552696 and 78607552705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78607552787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39303776378 + 39303776379.

It is an arithmetic number, because the mean of its divisors is an integer number (39303776379).

Almost surely, 2^78607552757 is an apocalyptic number.

It is an amenable number.

78607552757 is a deficient number, since it is larger than the sum of its proper divisors (1).

78607552757 is an equidigital number, since it uses as much as digits as its factorization.

78607552757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28812000, while the sum is 59.

The spelling of 78607552757 in words is "seventy-eight billion, six hundred seven million, five hundred fifty-two thousand, seven hundred fifty-seven".