78796351 has 2 divisors, whose sum is σ = 78796352. Its totient is φ = 78796350.

The previous prime is 78796313. The next prime is 78796423. The reversal of 78796351 is 15369787.

It is a weak prime.

It is an emirp because it is prime and its reverse (15369787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78796351 - 2⁹ = 78795839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78706351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39398175 + 39398176.

It is an arithmetic number, because the mean of its divisors is an integer number (39398176).

Almost surely, 2^78796351 is an apocalyptic number.

78796351 is a deficient number, since it is larger than the sum of its proper divisors (1).

78796351 is an equidigital number, since it uses as much as digits as its factorization.

78796351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 78796351 is about 8876.7308734691. The cubic root of 78796351 is about 428.7150227454.

The spelling of 78796351 in words is "seventy-eight million, seven hundred ninety-six thousand, three hundred fifty-one".