78145548007353 has 32 divisors (see below), whose sum is σ = 112679493341184. Its totient is φ = 47985394497792.

The previous prime is 78145548007321. The next prime is 78145548007391. The reversal of 78145548007353 is 35370084554187.

It is not a de Polignac number, because 78145548007353 - 2⁵ = 78145548007321 is a prime.

It is a super-2 number, since 2×78145548007353² (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 (78145548007313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28625926 + ... + 31236752.

It is an arithmetic number, because the mean of its divisors is an integer number (3521234166912).

Almost surely, 2^{78145548007353} is an apocalyptic number.

It is an amenable number.

78145548007353 is a deficient number, since it is larger than the sum of its proper divisors (34533945333831).

78145548007353 is a wasteful number, since it uses less digits than its factorization.

78145548007353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623381.

The product of its (nonzero) digits is 56448000, while the sum is 60.

The spelling of 78145548007353 in words is "seventy-eight trillion, one hundred forty-five billion, five hundred forty-eight million, seven thousand, three hundred fifty-three".