78145808330073 has 8 divisors (see below), whose sum is σ = 113666630298336. Its totient is φ = 47361095957600.

The previous prime is 78145808330017. The next prime is 78145808330081. The reversal of 78145808330073 is 37003380854187.

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-78145808330073 is a prime.

It is a super-2 number, since 2×78145808330073² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78145808329995 and 78145808330022.

It is not an unprimeable number, because it can be changed into a prime (78145808330173) 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, 1184027398908 + ... + 1184027398973.

It is an arithmetic number, because the mean of its divisors is an integer number (14208328787292).

Almost surely, 2^{78145808330073} is an apocalyptic number.

It is an amenable number.

78145808330073 is a deficient number, since it is larger than the sum of its proper divisors (35520821968263).

78145808330073 is a wasteful number, since it uses less digits than its factorization.

78145808330073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368054797895.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 78145808330073 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred eight million, three hundred thirty thousand, seventy-three".