78750412537963 has 2 divisors, whose sum is σ = 78750412537964. Its totient is φ = 78750412537962.

The previous prime is 78750412537919. The next prime is 78750412538029. The reversal of 78750412537963 is 36973521405787.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78750412537963 is a prime.

It is not a weakly prime, because it can be changed into another prime (78750412537903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39375206268981 + 39375206268982.

It is an arithmetic number, because the mean of its divisors is an integer number (39375206268982).

It is a 1-persistent number, because it is pandigital, but 2⋅78750412537963 = 157500825075926 is not.

Almost surely, 2^{78750412537963} is an apocalyptic number.

78750412537963 is a deficient number, since it is larger than the sum of its proper divisors (1).

78750412537963 is an equidigital number, since it uses as much as digits as its factorization.

78750412537963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 266716800, while the sum is 67.

The spelling of 78750412537963 in words is "seventy-eight trillion, seven hundred fifty billion, four hundred twelve million, five hundred thirty-seven thousand, nine hundred sixty-three".