78248035514741 has 2 divisors, whose sum is σ = 78248035514742. Its totient is φ = 78248035514740.

The previous prime is 78248035514689. The next prime is 78248035514797. The reversal of 78248035514741 is 14741553084287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59055444040516 + 19192591474225 = 7684754^2 + 4380935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78248035514741 is a prime.

It is a super-2 number, since 2×78248035514741² (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 (78248035514941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39124017757370 + 39124017757371.

It is an arithmetic number, because the mean of its divisors is an integer number (39124017757371).

Almost surely, 2^{78248035514741} is an apocalyptic number.

It is an amenable number.

78248035514741 is a deficient number, since it is larger than the sum of its proper divisors (1).

78248035514741 is an equidigital number, since it uses as much as digits as its factorization.

78248035514741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30105600, while the sum is 59.

The spelling of 78248035514741 in words is "seventy-eight trillion, two hundred forty-eight billion, thirty-five million, five hundred fourteen thousand, seven hundred forty-one".