78896351 has 2 divisors, whose sum is σ = 78896352. Its totient is φ = 78896350.

The previous prime is 78896309. The next prime is 78896359. The reversal of 78896351 is 15369887.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78896351 - 2⁶ = 78896287 is a prime.

It is a super-3 number, since 3×78896351³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 78896296 and 78896305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78896359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39448175 + 39448176.

It is an arithmetic number, because the mean of its divisors is an integer number (39448176).

Almost surely, 2^78896351 is an apocalyptic number.

78896351 is a deficient number, since it is larger than the sum of its proper divisors (1).

78896351 is an equidigital number, since it uses as much as digits as its factorization.

78896351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 78896351 is about 8882.3617917759. The cubic root of 78896351 is about 428.8963060092.

The spelling of 78896351 in words is "seventy-eight million, eight hundred ninety-six thousand, three hundred fifty-one".