78741204321353 has 24 divisors (see below), whose sum is σ = 94856313914208. Its totient is φ = 65128617158976.

The previous prime is 78741204321313. The next prime is 78741204321379. The reversal of 78741204321353 is 35312340214787.

It is not a de Polignac number, because 78741204321353 - 2¹⁸ = 78741204059209 is a prime.

It is a super-2 number, since 2×78741204321353² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78741204321313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224953076 + ... + 225302837.

It is an arithmetic number, because the mean of its divisors is an integer number (3952346413092).

Almost surely, 2^{78741204321353} is an apocalyptic number.

It is an amenable number.

78741204321353 is a deficient number, since it is larger than the sum of its proper divisors (16115109592855).

78741204321353 is a wasteful number, since it uses less digits than its factorization.

78741204321353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450256053 (or 450256046 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 78741204321353 in words is "seventy-eight trillion, seven hundred forty-one billion, two hundred four million, three hundred twenty-one thousand, three hundred fifty-three".