78472338784703 has 2 divisors, whose sum is σ = 78472338784704. Its totient is φ = 78472338784702.

The previous prime is 78472338784663. The next prime is 78472338784711. The reversal of 78472338784703 is 30748783327487.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78472338784703 - 2⁶ = 78472338784639 is a prime.

It is a super-3 number, since 3×78472338784703³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78472338784753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39236169392351 + 39236169392352.

It is an arithmetic number, because the mean of its divisors is an integer number (39236169392352).

Almost surely, 2^{78472338784703} is an apocalyptic number.

78472338784703 is a deficient number, since it is larger than the sum of its proper divisors (1).

78472338784703 is an equidigital number, since it uses as much as digits as its factorization.

78472338784703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1062125568, while the sum is 71.

The spelling of 78472338784703 in words is "seventy-eight trillion, four hundred seventy-two billion, three hundred thirty-eight million, seven hundred eighty-four thousand, seven hundred three".