78734066380183 has 2 divisors, whose sum is σ = 78734066380184. Its totient is φ = 78734066380182.

The previous prime is 78734066380121. The next prime is 78734066380201. The reversal of 78734066380183 is 38108366043787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78734066380183 - 2²⁵ = 78734032825751 is a prime.

It is a super-2 number, since 2×78734066380183² (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 (78734066320183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39367033190091 + 39367033190092.

It is an arithmetic number, because the mean of its divisors is an integer number (39367033190092).

Almost surely, 2^{78734066380183} is an apocalyptic number.

78734066380183 is a deficient number, since it is larger than the sum of its proper divisors (1).

78734066380183 is an equidigital number, since it uses as much as digits as its factorization.

78734066380183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 78734066380183 in words is "seventy-eight trillion, seven hundred thirty-four billion, sixty-six million, three hundred eighty thousand, one hundred eighty-three".