78468361407583 has 12 divisors (see below), whose sum is σ = 91482817629600. Its totient is φ = 67108799046912.

The previous prime is 78468361407497. The next prime is 78468361407629. The reversal of 78468361407583 is 38570416386487.

It is not a de Polignac number, because 78468361407583 - 2⁹ = 78468361407071 is a prime.

It is a super-2 number, since 2×78468361407583² (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 (78468361407383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1783268791 + ... + 1783312792.

It is an arithmetic number, because the mean of its divisors is an integer number (7623568135800).

Almost surely, 2^{78468361407583} is an apocalyptic number.

78468361407583 is a deficient number, since it is larger than the sum of its proper divisors (13014456222017).

78468361407583 is a wasteful number, since it uses less digits than its factorization.

78468361407583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566582046 (or 3566582039 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 70.

The spelling of 78468361407583 in words is "seventy-eight trillion, four hundred sixty-eight billion, three hundred sixty-one million, four hundred seven thousand, five hundred eighty-three".