78328202207 has 4 divisors (see below), whose sum is σ = 81733776240. Its totient is φ = 74922628176.

The previous prime is 78328202201. The next prime is 78328202261. The reversal of 78328202207 is 70220282387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70220282387 = 149 ⋅471277063.

It is a cyclic number.

It is not a de Polignac number, because 78328202207 - 2⁶ = 78328202143 is a prime.

It is a super-2 number, since 2×78328202207² (a number of 23 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 (78328202201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702786982 + ... + 1702787027.

It is an arithmetic number, because the mean of its divisors is an integer number (20433444060).

Almost surely, 2^78328202207 is an apocalyptic number.

78328202207 is a deficient number, since it is larger than the sum of its proper divisors (3405574033).

78328202207 is a wasteful number, since it uses less digits than its factorization.

78328202207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405574032.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 78328202207 in words is "seventy-eight billion, three hundred twenty-eight million, two hundred two thousand, two hundred seven".