78875893519 has 2 divisors, whose sum is σ = 78875893520. Its totient is φ = 78875893518.

The previous prime is 78875893493. The next prime is 78875893573. The reversal of 78875893519 is 91539857887.

It is a weak prime.

It is an emirp because it is prime and its reverse (91539857887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78875893519 - 2¹³ = 78875885327 is a prime.

It is a super-2 number, since 2×78875893519² (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 (78875993519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39437946759 + 39437946760.

It is an arithmetic number, because the mean of its divisors is an integer number (39437946760).

Almost surely, 2^78875893519 is an apocalyptic number.

78875893519 is a deficient number, since it is larger than the sum of its proper divisors (1).

78875893519 is an equidigital number, since it uses as much as digits as its factorization.

78875893519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 70.

The spelling of 78875893519 in words is "seventy-eight billion, eight hundred seventy-five million, eight hundred ninety-three thousand, five hundred nineteen".