78203800321207 has 8 divisors (see below), whose sum is σ = 85314496521600. Its totient is φ = 71093314088760.

The previous prime is 78203800321181. The next prime is 78203800321249. The reversal of 78203800321207 is 70212300830287.

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 78203800321207 - 2⁷ = 78203800321079 is a prime.

It is a super-2 number, since 2×78203800321207² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78203800331207) 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, 51712707 + ... + 53203492.

It is an arithmetic number, because the mean of its divisors is an integer number (10664312065200).

Almost surely, 2^{78203800321207} is an apocalyptic number.

78203800321207 is a deficient number, since it is larger than the sum of its proper divisors (7110696200393).

78203800321207 is a wasteful number, since it uses less digits than its factorization.

78203800321207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104983973.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 78203800321207 in words is "seventy-eight trillion, two hundred three billion, eight hundred million, three hundred twenty-one thousand, two hundred seven".