78225087414113 has 2 divisors, whose sum is σ = 78225087414114. Its totient is φ = 78225087414112.

The previous prime is 78225087414101. The next prime is 78225087414163. The reversal of 78225087414113 is 31141478052287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63459259041424 + 14765828372689 = 7966132^2 + 3842633^2 .

It is a cyclic number.

It is not a de Polignac number, because 78225087414113 - 2¹⁰ = 78225087413089 is a prime.

It is a super-2 number, since 2×78225087414113² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78225087414163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39112543707056 + 39112543707057.

It is an arithmetic number, because the mean of its divisors is an integer number (39112543707057).

Almost surely, 2^{78225087414113} is an apocalyptic number.

It is an amenable number.

78225087414113 is a deficient number, since it is larger than the sum of its proper divisors (1).

78225087414113 is an equidigital number, since it uses as much as digits as its factorization.

78225087414113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 78225087414113 in words is "seventy-eight trillion, two hundred twenty-five billion, eighty-seven million, four hundred fourteen thousand, one hundred thirteen".