78413346617527 has 16 divisors (see below), whose sum is σ = 83459628497952. Its totient is φ = 73415289692160.

The previous prime is 78413346617491. The next prime is 78413346617549. The reversal of 78413346617527 is 72571664331487.

It is not a de Polignac number, because 78413346617527 - 2¹⁹ = 78413346093239 is a prime.

It is a super-2 number, since 2×78413346617527² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413346677527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78599377 + ... + 79590757.

It is an arithmetic number, because the mean of its divisors is an integer number (5216226781122).

Almost surely, 2^{78413346617527} is an apocalyptic number.

78413346617527 is a deficient number, since it is larger than the sum of its proper divisors (5046281880425).

78413346617527 is a wasteful number, since it uses less digits than its factorization.

78413346617527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015698.

The product of its digits is 142248960, while the sum is 64.

The spelling of 78413346617527 in words is "seventy-eight trillion, four hundred thirteen billion, three hundred forty-six million, six hundred seventeen thousand, five hundred twenty-seven".