78298248943 has 2 divisors, whose sum is σ = 78298248944. Its totient is φ = 78298248942.

The previous prime is 78298248929. The next prime is 78298248947. The reversal of 78298248943 is 34984289287.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78298248943 is a prime.

It is a super-2 number, since 2×78298248943² (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 (78298248947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39149124471 + 39149124472.

It is an arithmetic number, because the mean of its divisors is an integer number (39149124472).

Almost surely, 2^78298248943 is an apocalyptic number.

78298248943 is a deficient number, since it is larger than the sum of its proper divisors (1).

78298248943 is an equidigital number, since it uses as much as digits as its factorization.

78298248943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 64.

The spelling of 78298248943 in words is "seventy-eight billion, two hundred ninety-eight million, two hundred forty-eight thousand, nine hundred forty-three".