78266313201 has 8 divisors (see below), whose sum is σ = 104356698624. Its totient is φ = 52176734960.

The previous prime is 78266313199. The next prime is 78266313269. The reversal of 78266313201 is 10231366287.

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 78266313201 - 2¹ = 78266313199 is a prime.

It is a super-2 number, since 2×78266313201² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78266313201.

It is not an unprimeable number, because it can be changed into a prime (78266313271) 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, 81115 + ... + 403871.

It is an arithmetic number, because the mean of its divisors is an integer number (13044587328).

Almost surely, 2^78266313201 is an apocalyptic number.

It is an amenable number.

78266313201 is a deficient number, since it is larger than the sum of its proper divisors (26090385423).

78266313201 is a wasteful number, since it uses less digits than its factorization.

78266313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403591.

The product of its (nonzero) digits is 72576, while the sum is 39.

Adding to 78266313201 its reverse (10231366287), we get a palindrome (88497679488).

The spelling of 78266313201 in words is "seventy-eight billion, two hundred sixty-six million, three hundred thirteen thousand, two hundred one".