78113758802029 has 2 divisors, whose sum is σ = 78113758802030. Its totient is φ = 78113758802028.

The previous prime is 78113758802011. The next prime is 78113758802059. The reversal of 78113758802029 is 92020885731187.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75246984948004 + 2866773854025 = 8674502^2 + 1693155^2 .

It is a cyclic number.

It is not a de Polignac number, because 78113758802029 - 2¹⁵ = 78113758769261 is a prime.

It is a super-2 number, since 2×78113758802029² (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 (78113758802059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39056879401014 + 39056879401015.

It is an arithmetic number, because the mean of its divisors is an integer number (39056879401015).

Almost surely, 2^{78113758802029} is an apocalyptic number.

It is an amenable number.

78113758802029 is a deficient number, since it is larger than the sum of its proper divisors (1).

78113758802029 is an equidigital number, since it uses as much as digits as its factorization.

78113758802029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 78113758802029 in words is "seventy-eight trillion, one hundred thirteen billion, seven hundred fifty-eight million, eight hundred two thousand, twenty-nine".