78288878201101 has 8 divisors (see below), whose sum is σ = 78395716085184. Its totient is φ = 78182044268160.

The previous prime is 78288878201047. The next prime is 78288878201137. The reversal of 78288878201101 is 10110287888287.

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 78288878201101 - 2¹⁹ = 78288877676813 is a prime.

It is a super-2 number, since 2×78288878201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78288878201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78288875201101) 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, 39816610 + ... + 41736556.

It is an arithmetic number, because the mean of its divisors is an integer number (9799464510648).

Almost surely, 2^{78288878201101} is an apocalyptic number.

It is an amenable number.

78288878201101 is a deficient number, since it is larger than the sum of its proper divisors (106837884083).

78288878201101 is a wasteful number, since it uses less digits than its factorization.

78288878201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975571.

The product of its (nonzero) digits is 6422528, while the sum is 61.

The spelling of 78288878201101 in words is "seventy-eight trillion, two hundred eighty-eight billion, eight hundred seventy-eight million, two hundred one thousand, one hundred one".