78288001499 has 2 divisors, whose sum is σ = 78288001500. Its totient is φ = 78288001498.

The previous prime is 78288001417. The next prime is 78288001501. The reversal of 78288001499 is 99410088287.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78288001499 - 2²⁸ = 78019566043 is a prime.

It is a super-2 number, since 2×78288001499² (a number of 23 digits) contains 22 as substring.

Together with 78288001501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78288001999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39144000749 + 39144000750.

It is an arithmetic number, because the mean of its divisors is an integer number (39144000750).

Almost surely, 2^78288001499 is an apocalyptic number.

78288001499 is a deficient number, since it is larger than the sum of its proper divisors (1).

78288001499 is an equidigital number, since it uses as much as digits as its factorization.

78288001499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 78288001499 in words is "seventy-eight billion, two hundred eighty-eight million, one thousand, four hundred ninety-nine".