78413253415 has 16 divisors (see below), whose sum is σ = 107544273408. Its totient is φ = 53766039456.

The previous prime is 78413253409. The next prime is 78413253421. The reversal of 78413253415 is 51435231487.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78413253409) and next prime (78413253421).

It is a cyclic number.

It is not a de Polignac number, because 78413253415 - 2⁵ = 78413253383 is a prime.

It is a super-2 number, since 2×78413253415² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687774 + ... + 793636.

It is an arithmetic number, because the mean of its divisors is an integer number (6721517088).

Almost surely, 2^78413253415 is an apocalyptic number.

78413253415 is a deficient number, since it is larger than the sum of its proper divisors (29131019993).

78413253415 is a wasteful number, since it uses less digits than its factorization.

78413253415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127038.

The product of its digits is 403200, while the sum is 43.

The spelling of 78413253415 in words is "seventy-eight billion, four hundred thirteen million, two hundred fifty-three thousand, four hundred fifteen".