78798752598541 has 2 divisors, whose sum is σ = 78798752598542. Its totient is φ = 78798752598540.

The previous prime is 78798752598437. The next prime is 78798752598583. The reversal of 78798752598541 is 14589525789787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78587267582916 + 211485015625 = 8864946^2 + 459875^2 .

It is a cyclic number.

It is not a de Polignac number, because 78798752598541 - 2⁹ = 78798752598029 is a prime.

It is a super-2 number, since 2×78798752598541² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78798752598941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39399376299270 + 39399376299271.

It is an arithmetic number, because the mean of its divisors is an integer number (39399376299271).

Almost surely, 2^{78798752598541} is an apocalyptic number.

It is an amenable number.

78798752598541 is a deficient number, since it is larger than the sum of its proper divisors (1).

78798752598541 is an equidigital number, since it uses as much as digits as its factorization.

78798752598541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896000, while the sum is 85.

The spelling of 78798752598541 in words is "seventy-eight trillion, seven hundred ninety-eight billion, seven hundred fifty-two million, five hundred ninety-eight thousand, five hundred forty-one".