78214050874499 has 2 divisors, whose sum is σ = 78214050874500. Its totient is φ = 78214050874498.

The previous prime is 78214050874471. The next prime is 78214050874559. The reversal of 78214050874499 is 99447805041287.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78214050874499 is a prime.

It is a super-2 number, since 2×78214050874499² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78214050873499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39107025437249 + 39107025437250.

It is an arithmetic number, because the mean of its divisors is an integer number (39107025437250).

Almost surely, 2^{78214050874499} is an apocalyptic number.

78214050874499 is a deficient number, since it is larger than the sum of its proper divisors (1).

78214050874499 is an equidigital number, since it uses as much as digits as its factorization.

78214050874499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 78214050874499 in words is "seventy-eight trillion, two hundred fourteen billion, fifty million, eight hundred seventy-four thousand, four hundred ninety-nine".