78125000143 has 2 divisors, whose sum is σ = 78125000144. Its totient is φ = 78125000142.

The previous prime is 78125000119. The next prime is 78125000183. The reversal of 78125000143 is 34100052187.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78125000143 - 2²⁵ = 78091445711 is a prime.

It is a super-2 number, since 2×78125000143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78125000183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39062500071 + 39062500072.

It is an arithmetic number, because the mean of its divisors is an integer number (39062500072).

Almost surely, 2^78125000143 is an apocalyptic number.

78125000143 is a deficient number, since it is larger than the sum of its proper divisors (1).

78125000143 is an equidigital number, since it uses as much as digits as its factorization.

78125000143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 78125000143 in words is "seventy-eight billion, one hundred twenty-five million, one hundred forty-three", and thus it is an aban number.