78213234476201 has 8 divisors (see below), whose sum is σ = 86722274889408. Its totient is φ = 69937318458000.

The previous prime is 78213234476141. The next prime is 78213234476227. The reversal of 78213234476201 is 10267443231287.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78213234476201 is a prime.

It is a super-2 number, since 2×78213234476201² (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 78213234476201.

It is not an unprimeable number, because it can be changed into a prime (78213234476101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58281098045 + ... + 58281099386.

It is an arithmetic number, because the mean of its divisors is an integer number (10840284361176).

Almost surely, 2^{78213234476201} is an apocalyptic number.

It is an amenable number.

78213234476201 is a deficient number, since it is larger than the sum of its proper divisors (8509040413207).

78213234476201 is a wasteful number, since it uses less digits than its factorization.

78213234476201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116562197503.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 78213234476201 in words is "seventy-eight trillion, two hundred thirteen billion, two hundred thirty-four million, four hundred seventy-six thousand, two hundred one".