78825450272801 has 8 divisors (see below), whose sum is σ = 80794048047744. Its totient is φ = 76880149513200.

The previous prime is 78825450272731. The next prime is 78825450272813. The reversal of 78825450272801 is 10827205452887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78825450272801 - 2¹⁴ = 78825450256417 is a prime.

It is a super-2 number, since 2×78825450272801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78825450272831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5824246985 + ... + 5824260518.

It is an arithmetic number, because the mean of its divisors is an integer number (10099256005968).

Almost surely, 2^{78825450272801} is an apocalyptic number.

It is an amenable number.

78825450272801 is a deficient number, since it is larger than the sum of its proper divisors (1968597774943).

78825450272801 is a wasteful number, since it uses less digits than its factorization.

78825450272801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11648507671.

The product of its (nonzero) digits is 20070400, while the sum is 59.

The spelling of 78825450272801 in words is "seventy-eight trillion, eight hundred twenty-five billion, four hundred fifty million, two hundred seventy-two thousand, eight hundred one".